Table 1 Potential HD cases, true positives (TP), false positives (FP), positive predictive value (PPV) and sensitivity of all sources of ascertainment
Source of ascertainment | Potential HD cases | TP | FP | PPV (95% CI) | Sensitivity (95% CI) |
|---|---|---|---|---|---|
MBDS | 40 | 31 | 9 | 75.5% (61.2, 88.6) | 50.0% (37.2, 62.8) |
ECRPC | 51 | 41 | 10 | 80.4% (66.5, 89.7) | 66.1% (52.9, 77.4) |
TWDR | 7 | 7 | 0 | 100% (56.1, 100) | 11.3% (5.0, 22.5) |
MS | 21 | 20 | 1 | 95.2% (74.1, 99.8) | 69.0% (49.1, 84.0) |
MGC | 61 | 61 | 0 | 100% (92.6, 100) | 98.4% (90.2, 100) |