SCA type | NIPT positive | Karyotype validated | True positive | False positive | PPV performance % (CI95) | Unconfirmed |
---|---|---|---|---|---|---|
Total SCAs | 31 | 22 | 17 | 5 | 77.3 (54.2–91.3) | 9 |
Monosomy X | 19 | 13 | 9 | 4 | 69.2 (38.9–89.6) | 6 |
Trisomy X | 4 | 3 | 3 | 0 | 100 (31–100) | 1 |
47, XXY | 6 | 5 | 4 | 1 | 80 (29.9–98.9) | 1 |
47, XYY | 2 | 1 | 1 | 0 | 100 (5.5–100) | 1 |