Table 2

True-positive resultsa in settings of varying prevalence and tests of varying sensitivity
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

a Predicted numbers based on a hypothetical population of 1,000 tested individuals.

Bentley et al.

Bentley et al. BMC Research Notes 2012 5:563   doi:10.1186/1756-0500-5-563

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