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Table 4 Falling proportions of predicted cases and corresponding cut-off values on a validation data set (n = 20,364)

From: Clinically useful prediction of hospital admissions in an older population

Proportion predictedCut-off valuesNo. of true positive casesNo. of false positive casesNo. of true negative casesNo. of false negative casesSensitivitySpecificityPositive predictive valueNegative predicted value
95%0.101396015,4388897798%5%20%92%
90%0.108386914,416191116896%12%21%92%
85%0.114378013,485284225794%17%22%92%
80%0.120366012,651367637791%23%22%91%
75%0.127354411,659466849388%29%23%90%
70%0.133344710,801552659085%34%24%90%
65%0.14033229900642771582%39%25%90%
60%0.14831609016731187778%45%26%89%
55%0.157300180998228103674%50%27%89%
50%0.165286273039024117571%55%28%88%
45%0.175268264469881135566%61%29%88%
40%0.1862501563910,688153662%65%31%87%
35%0.1992310481311,514172757%71%32%87%
30%0.2152050400412,323198751%75%34%86%
25%0.2341841321313,114219646%80%36%86%
20%0.2581565248613,841247239%85%39%85%
15%0.2941257177514,552278031%89%41%84%
10%0.349904113015,197313322%93%44%83%
5%0.44650351115,816353412%97%50%82%