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| Sensitivity | Specificity | |||
| Estimate | (95% CI) | Estimate | (95% CI) | |
| Geographic region | ||||
| Indian subcontinent | 50.8 | (34.1 to 69.3) | 95.3 | (73.6 to 99.8) |
| East Africa | 77.9 | (58.2 to 92.3) | 88.6 | (59.5 to 92.3) |
| Study size | ||||
| Small (< 200) | 52.9 | (27.6 to 84.1) | 86.2 | (52.5 to 99.2) |
| Large (≥ 200) | 68.5 | (45.2 to 88.2) | 94.5 | (49.0 to 100.0) |
