Factor for positive test | Sensitivity† | Specificity‡ | Positive predictive value§ | Negative predictive value¶ |
---|---|---|---|---|
⩾15 ng/ml (3 × MoC¶) | 11/36(30.5%) | 30/31(96.7%) | 11/12(91.6%) | 30/31(96.7%) |
⩾10 ng/ml (2 × MoC) | 21/36(58.3%) | 21/31(67.7%) | 21/31(67.7%) | 21/36(58.3%) |
↵MoC, median of the control; †prevalence of positive test in subjects with clinical risk factors of PVR, ‡prevalence of negative test in subjects without clinical risk factors of PVR, §proportion of subjects with positive tests that presented with clinical risk of PVR,¶proportion of subjects with negative test that did not present with clinical risk of PVR.