| PCR | |||
---|---|---|---|---|
Positive | Negative | Total | ||
Giemsa microscopy | Positive | 242 | 0 | 242 |
Negative | 41 | 1326 | 1367 | |
Total | 283 | 1326 | 1609 | |
Sensitivity, % (CI) | 85.5 (80.9–89.4) | |||
Specificity, % | 100 | |||
Positive predictive value (PPV), % | 100 | |||
Negative predictive value (NPV), % (CI) | 97.0 (96.0–97.8) | |||
False positive rate (FPR), % (CI) | 0.0 (0.0–2.3) | |||
False negative rate (FNR), % (CI) | 14.5 (2.2–40.1) | |||
Agreement between tests, % (CI) | 97.5 (96.6–98.2) |