|
Hypothetical data for a binary marker from a nested case-control study |
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| Marker - |
Marker + |
Total |
|
|
|
|||
| No cancer |
990 |
10 |
1000 |
| Cancer |
20 |
80 |
100 |
|
True positive rate (TPR) = 80/100 = .80 = sensitivity False positive rate (FPR) = 10/1000 = .01 = 1 – specificity | |||
Baker et al. BMC Medical Research Methodology 2002 2:4 doi:10.1186/1471-2288-2-4 |
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