Table 3.
Characteristic | T21 test values | T18 test values | T13 test values |
---|---|---|---|
Total subjects | 23 155 | 22 399 | 14 243 |
True positives | 418 | 147 | 30 |
False positives | 10 | 5 | 3 |
True negatives | 22 724 | 22 243 | 14 208 |
False negatives | 3 | 4 | 2 |
Sensitivity (95% CI) | 99.3 (97.9–99.8) | 97.4 (93.4–99.0) | 93.8 (79.9–98.3) |
Specificity (95% CI) | 99.96 (99.92–99.98) | 99.98 (99.95–99.99) | 99.98 (99.94–99.99) |