Table 4 Prediction of intervals of a rapid diagnostic test’s expected positive predictive value within the validation cohort according to uncorrected and corrected scores
Corrected | ||||||
|---|---|---|---|---|---|---|
[0,40] | (40,60] | (60,80] | (80,100] | Observed | ||
uncorr. | [0,40] | 173 | 0 | 0 | 0 | 0.0 (0/4) |
(40,60] | 226 | 520 | 0 | 0 | 40.0 (8/20) | |
(60,80] | 0 | 584 | 433 | 0 | 60.0 (18/30) | |
(80,100] | 0 | 0 | 25 | 82 | 88.9 (8/9) | |
observed | 25.0 (2/8) | 47.1 (16/34) | 71.4 (10/14) | 85.7 (6/7) | ||