Table 1 Comparison of the sensitivity, specificity, positive predictive value, negative predictive value and kappa values of microscopy and RDTs versus PCR
Method | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | Kappa |
|---|---|---|---|---|---|
Microscopy | 50.00 (26.45–75.35) | 70.59 (52.52–84.90) | 44.44 (21.53–69.24) | 75.00 (56.60–88.54) | 0.491 |
Carestart | 25.00 (7.27–52.38) | 85.29 (68.94–95.05) | 44.44 (13.70–78.80) | 70.73 (54.46–83.87) | 0.611 |
SD Bioline PF | 25.00 (7.27–52.38) | 94.12 (80.32–99.28) | 66.67 (22.28–95.67) | 72.73 (57.21–85.04) | 0.226 |
SD Bioline PF/PV | 68.75 (41.34–88.98) | 52.94 (35.13–70.22) | 40.74 (22.39–61.20) | 78.26 (56.30–92.54) | 0.172 |