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Relationship between criteria for defining a "high-risk" sub-group and whether a patient has an event during a clinical trial. |
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| Event? |
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|
|
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| Yes |
No |
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|
|
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| Meet criteria for "high-risk"? |
Yes |
396 |
624 |
| No |
632 |
3,799 |
|
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Hypothetical data are given for the purposes of illustration. Sensitivity = 396 ÷ (396+632) = 39% Specificity = 3799 ÷ (624+3799) = 86% | |||
Vickers et al. Trials 2006 7:30 doi:10.1186/1745-6215-7-30 |
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