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			<item>
				<title>實證醫學臨床應用</title>
				<recdate>2014/4/19 上午 11:23:49</recdate>
				<pos>0</pos>
			</item>
			<item>
				<title>實証醫學_5大步驟</title>
				<recdate>2014/4/19 上午 11:24:52</recdate>
				<pos>63040</pos>
			</item>
			<item>
				<title>實証醫學_臨床運用</title>
				<recdate>2014/4/19 上午 11:25:27</recdate>
				<pos>98560</pos>
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			<item>
				<title>效果有多大？</title>
				<recdate>2014/4/19 上午 11:28:48</recdate>
				<pos>298816</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:28:48</recdate>
				<pos>299200</pos>
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			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:28:48</recdate>
				<pos>299712</pos>
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			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:28:49</recdate>
				<pos>300160</pos>
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			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:28:49</recdate>
				<pos>300544</pos>
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			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:28:50</recdate>
				<pos>301056</pos>
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			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:28:50</recdate>
				<pos>301568</pos>
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			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:28:51</recdate>
				<pos>301952</pos>
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				<title>Prevalence = (a+c)/(a+b+c+d)=809/2579=31%
Positive predictive value=a/(a+b)=731/1001=73%
Negative predictive value=d/(c+d)=1500/1578=95%
Sensitivity=a/(a+c)=731/809=90%
Specificity=d/(b+d)=1500/1770=85%
LR+ = sensitivity/(1-specificity)=90% / 15%=6
LR  = (1- sensitivity)/ specificity =10% / 85%=0.12 
Study pre  test odds =prevalence/(1  prevalence) =31% / 69% = 0.45
Post  test odds = pre  test odds  likelihood ratio
Posttest  probability=posttest odds/(posttest odds+1 )</title>
				<recdate>2014/4/19 上午 11:28:51</recdate>
				<pos>302400</pos>
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			<item>
				<title>Slide 13</title>
				<recdate>2014/4/19 上午 11:28:52</recdate>
				<pos>302848</pos>
			</item>
			<item>
				<title>Slide 14</title>
				<recdate>2014/4/19 上午 11:28:52</recdate>
				<pos>303552</pos>
			</item>
			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 上午 11:28:53</recdate>
				<pos>304000</pos>
			</item>
			<item>
				<title>Schematic diagram of a cohort study</title>
				<recdate>2014/4/19 上午 11:28:53</recdate>
				<pos>304832</pos>
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			<item>
				<title>Outcome(+)</title>
				<recdate>2014/4/19 上午 11:28:55</recdate>
				<pos>306688</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 上午 11:28:56</recdate>
				<pos>307200</pos>
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			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 上午 11:28:56</recdate>
				<pos>307648</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:28:57</recdate>
				<pos>308096</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:28:57</recdate>
				<pos>308672</pos>
			</item>
			<item>
				<title>Critical appraisal tool</title>
				<recdate>2014/4/19 上午 11:28:58</recdate>
				<pos>309184</pos>
			</item>
			<item>
				<title>平均值沒有意義：有多精確？</title>
				<recdate>2014/4/19 上午 11:28:58</recdate>
				<pos>309696</pos>
			</item>
			<item>
				<title>治療效果的估計是否精準？</title>
				<recdate>2014/4/19 上午 11:31:45</recdate>
				<pos>476032</pos>
			</item>
			<item>
				<title>平均值沒有意義：有多精確？</title>
				<recdate>2014/4/19 上午 11:31:47</recdate>
				<pos>478592</pos>
			</item>
			<item>
				<title>Critical appraisal tool</title>
				<recdate>2014/4/19 上午 11:31:48</recdate>
				<pos>479232</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:31:48</recdate>
				<pos>479552</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:31:49</recdate>
				<pos>479872</pos>
			</item>
			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 上午 11:31:49</recdate>
				<pos>480192</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 上午 11:31:49</recdate>
				<pos>480768</pos>
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			<item>
				<title>Outcome(+)</title>
				<recdate>2014/4/19 上午 11:31:50</recdate>
				<pos>481024</pos>
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			<item>
				<title>Schematic diagram of a cohort study</title>
				<recdate>2014/4/19 上午 11:31:50</recdate>
				<pos>481472</pos>
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			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 上午 11:31:51</recdate>
				<pos>482560</pos>
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			<item>
				<title>Slide 14</title>
				<recdate>2014/4/19 上午 11:31:52</recdate>
				<pos>483072</pos>
			</item>
			<item>
				<title>Slide 13</title>
				<recdate>2014/4/19 上午 11:31:52</recdate>
				<pos>483392</pos>
			</item>
			<item>
				<title>Prevalence = (a+c)/(a+b+c+d)=809/2579=31%
Positive predictive value=a/(a+b)=731/1001=73%
Negative predictive value=d/(c+d)=1500/1578=95%
Sensitivity=a/(a+c)=731/809=90%
Specificity=d/(b+d)=1500/1770=85%
LR+ = sensitivity/(1-specificity)=90% / 15%=6
LR  = (1- sensitivity)/ specificity =10% / 85%=0.12 
Study pre  test odds =prevalence/(1  prevalence) =31% / 69% = 0.45
Post  test odds = pre  test odds  likelihood ratio
Posttest  probability=posttest odds/(posttest odds+1 )</title>
				<recdate>2014/4/19 上午 11:31:52</recdate>
				<pos>483776</pos>
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			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:31:53</recdate>
				<pos>484224</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:31:53</recdate>
				<pos>484608</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:31:54</recdate>
				<pos>484992</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:31:54</recdate>
				<pos>485376</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:31:54</recdate>
				<pos>485696</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:31:55</recdate>
				<pos>486080</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:31:55</recdate>
				<pos>486592</pos>
			</item>
			<item>
				<title>效果有多大？</title>
				<recdate>2014/4/19 上午 11:31:56</recdate>
				<pos>486976</pos>
			</item>
			<item>
				<title>實証醫學_臨床運用</title>
				<recdate>2014/4/19 上午 11:31:56</recdate>
				<pos>487424</pos>
			</item>
			<item>
				<title>效果有多大？</title>
				<recdate>2014/4/19 上午 11:35:35</recdate>
				<pos>706112</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:36:07</recdate>
				<pos>738304</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:36:21</recdate>
				<pos>752640</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:36:31</recdate>
				<pos>762368</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:37:35</recdate>
				<pos>826368</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:37:48</recdate>
				<pos>839808</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:37:50</recdate>
				<pos>841088</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:37:50</recdate>
				<pos>841728</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:38:03</recdate>
				<pos>854656</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:38:13</recdate>
				<pos>864320</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:38:14</recdate>
				<pos>865472</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:38:15</recdate>
				<pos>866048</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:38:25</recdate>
				<pos>875968</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:38:52</recdate>
				<pos>903296</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:38:53</recdate>
				<pos>904384</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:38:53</recdate>
				<pos>904768</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:40:00</recdate>
				<pos>971712</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:41:09</recdate>
				<pos>1040000</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:41:12</recdate>
				<pos>1043776</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:41:13</recdate>
				<pos>1044288</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:41:40</recdate>
				<pos>1070848</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:42:00</recdate>
				<pos>1090880</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:42:01</recdate>
				<pos>1092288</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:42:02</recdate>
				<pos>1092864</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:42:03</recdate>
				<pos>1093888</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:42:04</recdate>
				<pos>1094912</pos>
			</item>
			<item>
				<title>效果有多大？</title>
				<recdate>2014/4/19 上午 11:42:04</recdate>
				<pos>1095488</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:42:26</recdate>
				<pos>1116928</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:42:26</recdate>
				<pos>1117760</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:42:28</recdate>
				<pos>1118976</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:42:29</recdate>
				<pos>1120704</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:42:34</recdate>
				<pos>1125504</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:42:40</recdate>
				<pos>1131584</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:42:41</recdate>
				<pos>1132608</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:42:42</recdate>
				<pos>1133056</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:42:42</recdate>
				<pos>1133440</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:42:43</recdate>
				<pos>1133888</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:42:43</recdate>
				<pos>1134336</pos>
			</item>
			<item>
				<title>效果有多大？</title>
				<recdate>2014/4/19 上午 11:42:44</recdate>
				<pos>1134912</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:43:04</recdate>
				<pos>1155520</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:43:05</recdate>
				<pos>1156096</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:43:05</recdate>
				<pos>1156544</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:43:06</recdate>
				<pos>1157056</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:43:07</recdate>
				<pos>1158656</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:45:11</recdate>
				<pos>1282112</pos>
			</item>
			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:48:41</recdate>
				<pos>1492096</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:48:42</recdate>
				<pos>1493504</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:49:34</recdate>
				<pos>1545280</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:49:35</recdate>
				<pos>1546368</pos>
			</item>
			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:49:35</recdate>
				<pos>1546816</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:49:36</recdate>
				<pos>1547776</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:49:37</recdate>
				<pos>1548160</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:49:37</recdate>
				<pos>1548672</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:49:38</recdate>
				<pos>1549120</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:49:38</recdate>
				<pos>1549760</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:49:39</recdate>
				<pos>1550528</pos>
			</item>
			<item>
				<title>效果有多大？</title>
				<recdate>2014/4/19 上午 11:49:40</recdate>
				<pos>1551232</pos>
			</item>
			<item>
				<title>(Randomized) Control trial</title>
				<recdate>2014/4/19 上午 11:50:04</recdate>
				<pos>1575232</pos>
			</item>
			<item>
				<title>治療效果名詞</title>
				<recdate>2014/4/19 上午 11:50:04</recdate>
				<pos>1575808</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:50:05</recdate>
				<pos>1576320</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:50:05</recdate>
				<pos>1576832</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:50:07</recdate>
				<pos>1578176</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:50:08</recdate>
				<pos>1579008</pos>
			</item>
			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:50:08</recdate>
				<pos>1579776</pos>
			</item>
			<item>
				<title>Prevalence = (a+c)/(a+b+c+d)=809/2579=31%
Positive predictive value=a/(a+b)=731/1001=73%
Negative predictive value=d/(c+d)=1500/1578=95%
Sensitivity=a/(a+c)=731/809=90%
Specificity=d/(b+d)=1500/1770=85%
LR+ = sensitivity/(1-specificity)=90% / 15%=6
LR  = (1- sensitivity)/ specificity =10% / 85%=0.12 
Study pre  test odds =prevalence/(1  prevalence) =31% / 69% = 0.45
Post  test odds = pre  test odds  likelihood ratio
Posttest  probability=posttest odds/(posttest odds+1 )</title>
				<recdate>2014/4/19 上午 11:50:10</recdate>
				<pos>1581760</pos>
			</item>
			<item>
				<title>Slide 13</title>
				<recdate>2014/4/19 上午 11:50:11</recdate>
				<pos>1582272</pos>
			</item>
			<item>
				<title>Slide 14</title>
				<recdate>2014/4/19 上午 11:50:14</recdate>
				<pos>1585024</pos>
			</item>
			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 上午 11:50:14</recdate>
				<pos>1585472</pos>
			</item>
			<item>
				<title>Schematic diagram of a cohort study</title>
				<recdate>2014/4/19 上午 11:50:45</recdate>
				<pos>1616384</pos>
			</item>
			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 上午 11:50:46</recdate>
				<pos>1617600</pos>
			</item>
			<item>
				<title>Slide 14</title>
				<recdate>2014/4/19 上午 11:50:47</recdate>
				<pos>1617984</pos>
			</item>
			<item>
				<title>Slide 13</title>
				<recdate>2014/4/19 上午 11:50:47</recdate>
				<pos>1618432</pos>
			</item>
			<item>
				<title>Prevalence = (a+c)/(a+b+c+d)=809/2579=31%
Positive predictive value=a/(a+b)=731/1001=73%
Negative predictive value=d/(c+d)=1500/1578=95%
Sensitivity=a/(a+c)=731/809=90%
Specificity=d/(b+d)=1500/1770=85%
LR+ = sensitivity/(1-specificity)=90% / 15%=6
LR  = (1- sensitivity)/ specificity =10% / 85%=0.12 
Study pre  test odds =prevalence/(1  prevalence) =31% / 69% = 0.45
Post  test odds = pre  test odds  likelihood ratio
Posttest  probability=posttest odds/(posttest odds+1 )</title>
				<recdate>2014/4/19 上午 11:50:48</recdate>
				<pos>1619648</pos>
			</item>
			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:50:49</recdate>
				<pos>1620544</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:51:17</recdate>
				<pos>1648320</pos>
			</item>
			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:51:28</recdate>
				<pos>1659392</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:51:30</recdate>
				<pos>1660992</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:51:30</recdate>
				<pos>1661312</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:51:32</recdate>
				<pos>1663296</pos>
			</item>
			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:51:32</recdate>
				<pos>1663744</pos>
			</item>
			<item>
				<title>Prevalence = (a+c)/(a+b+c+d)=809/2579=31%
Positive predictive value=a/(a+b)=731/1001=73%
Negative predictive value=d/(c+d)=1500/1578=95%
Sensitivity=a/(a+c)=731/809=90%
Specificity=d/(b+d)=1500/1770=85%
LR+ = sensitivity/(1-specificity)=90% / 15%=6
LR  = (1- sensitivity)/ specificity =10% / 85%=0.12 
Study pre  test odds =prevalence/(1  prevalence) =31% / 69% = 0.45
Post  test odds = pre  test odds  likelihood ratio
Posttest  probability=posttest odds/(posttest odds+1 )</title>
				<recdate>2014/4/19 上午 11:51:33</recdate>
				<pos>1664128</pos>
			</item>
			<item>
				<title>Slide 13</title>
				<recdate>2014/4/19 上午 11:51:37</recdate>
				<pos>1667840</pos>
			</item>
			<item>
				<title>Slide 14</title>
				<recdate>2014/4/19 上午 11:53:20</recdate>
				<pos>1771072</pos>
			</item>
			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 上午 11:53:23</recdate>
				<pos>1774080</pos>
			</item>
			<item>
				<title>Schematic diagram of a cohort study</title>
				<recdate>2014/4/19 上午 11:53:23</recdate>
				<pos>1774784</pos>
			</item>
			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 上午 11:53:28</recdate>
				<pos>1779200</pos>
			</item>
			<item>
				<title>Slide 14</title>
				<recdate>2014/4/19 上午 11:53:28</recdate>
				<pos>1779776</pos>
			</item>
			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 上午 11:53:30</recdate>
				<pos>1781184</pos>
			</item>
			<item>
				<title>Schematic diagram of a cohort study</title>
				<recdate>2014/4/19 上午 11:53:30</recdate>
				<pos>1781760</pos>
			</item>
			<item>
				<title>Outcome(+)</title>
				<recdate>2014/4/19 上午 11:54:07</recdate>
				<pos>1818688</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 上午 11:54:34</recdate>
				<pos>1845120</pos>
			</item>
			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 上午 11:55:11</recdate>
				<pos>1882624</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:55:25</recdate>
				<pos>1896640</pos>
			</item>
			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 上午 11:55:27</recdate>
				<pos>1898048</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 上午 11:55:29</recdate>
				<pos>1900224</pos>
			</item>
			<item>
				<title>Outcome(+)</title>
				<recdate>2014/4/19 上午 11:55:30</recdate>
				<pos>1900928</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 上午 11:55:38</recdate>
				<pos>1909056</pos>
			</item>
			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 上午 11:55:41</recdate>
				<pos>1912640</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:55:54</recdate>
				<pos>1924928</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:55:54</recdate>
				<pos>1925504</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:55:55</recdate>
				<pos>1926592</pos>
			</item>
			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 上午 11:55:56</recdate>
				<pos>1927104</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 上午 11:55:56</recdate>
				<pos>1927488</pos>
			</item>
			<item>
				<title>Outcome(+)</title>
				<recdate>2014/4/19 上午 11:55:57</recdate>
				<pos>1928000</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 上午 11:56:13</recdate>
				<pos>1944768</pos>
			</item>
			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 上午 11:56:14</recdate>
				<pos>1945216</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:56:23</recdate>
				<pos>1954752</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:56:55</recdate>
				<pos>1986176</pos>
			</item>
			<item>
				<title>Critical appraisal tool</title>
				<recdate>2014/4/19 上午 11:57:02</recdate>
				<pos>1993792</pos>
			</item>
			<item>
				<title>平均值沒有意義：有多精確？</title>
				<recdate>2014/4/19 上午 11:58:28</recdate>
				<pos>2079360</pos>
			</item>
			<item>
				<title>治療效果的估計是否精準？</title>
				<recdate>2014/4/19 上午 11:58:29</recdate>
				<pos>2080128</pos>
			</item>
			<item>
				<title>Avoiding Low-Value Care</title>
				<recdate>2014/4/19 上午 11:58:36</recdate>
				<pos>2087808</pos>
			</item>
			<item>
				<title>結果導向的醫療行為</title>
				<recdate>2014/4/19 上午 11:58:39</recdate>
				<pos>2090368</pos>
			</item>
			<item>
				<title>Adverse effect</title>
				<recdate>2014/4/19 上午 11:58:44</recdate>
				<pos>2095552</pos>
			</item>
			<item>
				<title>結果導向的醫療行為</title>
				<recdate>2014/4/19 上午 11:58:47</recdate>
				<pos>2098048</pos>
			</item>
			<item>
				<title>Adverse effect</title>
				<recdate>2014/4/19 上午 11:59:45</recdate>
				<pos>2156160</pos>
			</item>
			<item>
				<title>The path from the generation of clinical evidence to the application of evidence</title>
				<recdate>2014/4/19 上午 11:59:45</recdate>
				<pos>2156672</pos>
			</item>
			<item>
				<title>The path from the generation of clinical evidence to the application of evidence</title>
				<recdate>2014/4/19 上午 11:59:47</recdate>
				<pos>2157824</pos>
			</item>
			<item>
				<title>Adverse effect</title>
				<recdate>2014/4/19 上午 11:59:47</recdate>
				<pos>2158464</pos>
			</item>
			<item>
				<title>結果導向的醫療行為</title>
				<recdate>2014/4/19 上午 11:59:47</recdate>
				<pos>2158784</pos>
			</item>
			<item>
				<title>Avoiding Low-Value Care</title>
				<recdate>2014/4/19 上午 11:59:48</recdate>
				<pos>2159168</pos>
			</item>
			<item>
				<title>治療效果的估計是否精準？</title>
				<recdate>2014/4/19 上午 11:59:48</recdate>
				<pos>2159552</pos>
			</item>
			<item>
				<title>平均值沒有意義：有多精確？</title>
				<recdate>2014/4/19 上午 11:59:49</recdate>
				<pos>2160064</pos>
			</item>
			<item>
				<title>Critical appraisal tool</title>
				<recdate>2014/4/19 上午 11:59:49</recdate>
				<pos>2160384</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:59:49</recdate>
				<pos>2160768</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 上午 11:59:50</recdate>
				<pos>2161216</pos>
			</item>
			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 上午 11:59:50</recdate>
				<pos>2161664</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 上午 11:59:51</recdate>
				<pos>2162048</pos>
			</item>
			<item>
				<title>Outcome(+)</title>
				<recdate>2014/4/19 上午 11:59:51</recdate>
				<pos>2162432</pos>
			</item>
			<item>
				<title>Schematic diagram of a cohort study</title>
				<recdate>2014/4/19 上午 11:59:52</recdate>
				<pos>2163008</pos>
			</item>
			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 上午 11:59:53</recdate>
				<pos>2164288</pos>
			</item>
			<item>
				<title>Slide 14</title>
				<recdate>2014/4/19 上午 11:59:53</recdate>
				<pos>2164800</pos>
			</item>
			<item>
				<title>Slide 13</title>
				<recdate>2014/4/19 上午 11:59:54</recdate>
				<pos>2165504</pos>
			</item>
			<item>
				<title>Prevalence = (a+c)/(a+b+c+d)=809/2579=31%
Positive predictive value=a/(a+b)=731/1001=73%
Negative predictive value=d/(c+d)=1500/1578=95%
Sensitivity=a/(a+c)=731/809=90%
Specificity=d/(b+d)=1500/1770=85%
LR+ = sensitivity/(1-specificity)=90% / 15%=6
LR  = (1- sensitivity)/ specificity =10% / 85%=0.12 
Study pre  test odds =prevalence/(1  prevalence) =31% / 69% = 0.45
Post  test odds = pre  test odds  likelihood ratio
Posttest  probability=posttest odds/(posttest odds+1 )</title>
				<recdate>2014/4/19 上午 11:59:55</recdate>
				<pos>2165888</pos>
			</item>
			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 上午 11:59:55</recdate>
				<pos>2166272</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 上午 11:59:56</recdate>
				<pos>2166976</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 上午 11:59:56</recdate>
				<pos>2167488</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 上午 11:59:56</recdate>
				<pos>2167872</pos>
			</item>
			<item>
				<title>Slide 7</title>
				<recdate>2014/4/19 上午 11:59:57</recdate>
				<pos>2168256</pos>
			</item>
			<item>
				<title>治療效果有多大？</title>
				<recdate>2014/4/19 下午 12:00:37</recdate>
				<pos>2208384</pos>
			</item>
			<item>
				<title>Likelihood ratio for heart failure</title>
				<recdate>2014/4/19 下午 12:00:38</recdate>
				<pos>2208896</pos>
			</item>
			<item>
				<title>Prevalence and Predictive value</title>
				<recdate>2014/4/19 下午 12:00:38</recdate>
				<pos>2209280</pos>
			</item>
			<item>
				<title>Slide 11</title>
				<recdate>2014/4/19 下午 12:00:38</recdate>
				<pos>2209728</pos>
			</item>
			<item>
				<title>Prevalence = (a+c)/(a+b+c+d)=809/2579=31%
Positive predictive value=a/(a+b)=731/1001=73%
Negative predictive value=d/(c+d)=1500/1578=95%
Sensitivity=a/(a+c)=731/809=90%
Specificity=d/(b+d)=1500/1770=85%
LR+ = sensitivity/(1-specificity)=90% / 15%=6
LR  = (1- sensitivity)/ specificity =10% / 85%=0.12 
Study pre  test odds =prevalence/(1  prevalence) =31% / 69% = 0.45
Post  test odds = pre  test odds  likelihood ratio
Posttest  probability=posttest odds/(posttest odds+1 )</title>
				<recdate>2014/4/19 下午 12:00:39</recdate>
				<pos>2210112</pos>
			</item>
			<item>
				<title>Slide 13</title>
				<recdate>2014/4/19 下午 12:00:39</recdate>
				<pos>2210496</pos>
			</item>
			<item>
				<title>Slide 14</title>
				<recdate>2014/4/19 下午 12:00:40</recdate>
				<pos>2210944</pos>
			</item>
			<item>
				<title>Area under the curve (AUC)</title>
				<recdate>2014/4/19 下午 12:00:40</recdate>
				<pos>2211328</pos>
			</item>
			<item>
				<title>Schematic diagram of a cohort study</title>
				<recdate>2014/4/19 下午 12:00:40</recdate>
				<pos>2211712</pos>
			</item>
			<item>
				<title>Outcome(+)</title>
				<recdate>2014/4/19 下午 12:00:42</recdate>
				<pos>2213696</pos>
			</item>
			<item>
				<title>Schematic diagram of a case-control study</title>
				<recdate>2014/4/19 下午 12:00:43</recdate>
				<pos>2214080</pos>
			</item>
			<item>
				<title>Outcome</title>
				<recdate>2014/4/19 下午 12:00:43</recdate>
				<pos>2214400</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 下午 12:00:43</recdate>
				<pos>2214784</pos>
			</item>
			<item>
				<title>Results of a cohort study</title>
				<recdate>2014/4/19 下午 12:00:44</recdate>
				<pos>2215232</pos>
			</item>
			<item>
				<title>Critical appraisal tool</title>
				<recdate>2014/4/19 下午 12:00:44</recdate>
				<pos>2215552</pos>
			</item>
			<item>
				<title>平均值沒有意義：有多精確？</title>
				<recdate>2014/4/19 下午 12:00:45</recdate>
				<pos>2215808</pos>
			</item>
			<item>
				<title>治療效果的估計是否精準？</title>
				<recdate>2014/4/19 下午 12:00:45</recdate>
				<pos>2216320</pos>
			</item>
			<item>
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