Table 2.
Test performance with its corresponding 95% confidence intervals for each diagnostic test.
| Sensitivity (%)(95% CI) | Specificity (%)(95% CI) | Positive predictive value (%)(95% CI) | Negative predictive value (%)(95% CI) | Positive Likelihood ratio (%)(95% CI) | Negative Likelihood ratio (%)(95% CI) | Test accuracy (%) (95% CI) | |
|---|---|---|---|---|---|---|---|
| RUT | 95.9 (86–99) | 85 (70–94) | 88.7 (77–96) | 94.4 (81–99) | 6.39 (3–13.4) | 0.048 (0.01–0.18) | 91 (84–94) |
| Histopathology | 100 (93–100) | 90 (76–97) | 92.5 (82–98) | 100 (90–100) | 10 (3.95–25.3) | 0 | 95 (90–95) |
| IgG | 50 (35–65) | 83.3 (67–94) | 79.3 (60–92) | 56.6 (42–70) | 3 (1.37–6.58) | 0.6 (0.43–0.83) | 65 (54–71) |
| IgM | 0 | 94.4 (81–99) | 0 | 42.5 (31–54) | 0 | 1.06 (0.98–1.15) | 41 (41–46) |
| IgA | 60.9 (45.4–74.9) | 69.4 (51.9–83.7) | 71.8 (55.1–85) | 58.1 (42.1–73) | 1.99 (1.16–3.43) | 0.563 (0.37–0.86) | 64.6 (54–74) |
| Stool Ag Kit | 87.8 (75–95) | 75 (59–97) | 81.1 (68–91) | 83.3 (67–94) | 3.51 (2–6) | 0.163 (0.07–0.35) | 82 (73–88) |