Table 1 Comparison of RDT and LM diagnostic metrics across Zambia
Diagnostic | Result | Positive | Negative | Total | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) |
|---|---|---|---|---|---|---|---|---|
RDT | Positive | 617 | 421 | 1038 | 84% | 83% | 59% | 95% |
Negative | 116 | 1998 | 2114 | |||||
Total | 733 | 2419 | 3152 | (81–87) | (81–84) | (56–62) | (93–95) | |
Microscopy | Positive | 449 | 86 | 535 | 70 | 96 | 84 | 92 |
Negative | 188 | 2035 | 2223 | |||||
Total | 637 | 2121 | 2758 | (67–74) | (95–97) | (81–87) | (91–93) |