Table 2 Sensitivity, specificity, positive predictive values (PPV), and negative predictive values (NPV) of microscopy by age category, as well as the overall sensitivity, specificity, PPVs and NPVs using RDTs as the gold standard
Age | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
(95% CI) | (95% CI) | (95% CI) | (95% CI) | |
Less than 1 | 1.00 | 0.27 | 0.11 | 1.00 |
(0.01 – 1.00) | (0.06 - 0.61) | (0.00-0.48) | (0.19 – 1.00) | |
1-5 | 1.00 | 0.19 | 0.14 | 1.00 |
(0.55 – 1.00) | (0.11 -0.31) | (0.07 - 0.25) | (0.66 – 1.00) | |
6-18 | 0.88 | 0.24 | 0.17 | 0.92 |
(0.64 - 0.99) | (0.16- 0.34) | (0.10-0.27) | (0.74 -0.99) | |
19+ | 1.00 | 0.27 | 0.20 | 1.00 |
(0.82 – 1.00) | (0.20-0.35) | (0.14 -0.28) | (0.87 – 1.00 | |
Overall | 0.96 | 0.25 | 0.18 | 0.98 |
(0.87-1.00) | (0.20 - 0.30) | (0.14- 0.22) | (0.92 – 1.00) |