Table 2 True-positive results a in settings of varying prevalence and tests of varying sensitivity
From: Implications of the impact of prevalence on test thresholds and outcomes: lessons from tuberculosis
Disease prevalence rate | Number of true-positive results | |||
|---|---|---|---|---|
Sensitivity | ||||
50% | 60% | 70% | 80% | |
20% | 100 | 120 | 140 | 160 |
40% | 200 | 240 | 280 | 320 |
60% | 300 | 360 | 420 | 480 |
80% | 400 | 480 | 560 | 640 |