| True positive | False positive | True negative | False negative | Sensitivity (95%CI) | Specificity (95%CI) | PPV (95%CI) | NPV (95%CI) |
---|---|---|---|---|---|---|---|---|
Participant interpretation of self-test | 6 | 68 | 603 | 37 | 0.14 (0.05, 0.28) | 0.90 (0.87, 0.92) | 0.08 (0.03, 0.17) | 0.94 (0.92, 0.96) |
Expert interpretation of image of self-test | 5 | 7 | 637 | 38 | 0.12 (0.04, 0.25) | 0.99 (0.98, 1.00) | 0.42 (0.15, 0.25) | 0.94 (0.92, 0.96) |