Table 1.
Clinical characteristics at birth (the mean value ± standard deviation score, SDS).
| PWS Group | All Patients | DEL 15 | UPD 15 | UPD/ID |
|---|---|---|---|---|
| Number of patients (%) | N = 147 | N = 81 (55.10) | N = 10 (6.80) | N = 30 (20.41) |
| F/M (%) | 69/78 (46.94/53.06) | 43/38 (53.09/46.91) | 1/9 (10/90) | 11/19 (36.67/63.33) |
| Weeks of gestation | 38.68 ± 2.65 | 38.76 ± 2.31 | 39.33 ± 2.29 | 38.50 ± 3.26 |
| Apgar score 1st minute | 7.36 ± 2.25 | 7.75 ± 1.94 | 7.70 ± 1.64 | 7.41 ± 1.82 |
| Apgar score 10th minute | 8.41 ± 1.20 | 8.41 ± 1.24 | ND | 8.27 ± 0.90 |
| Weight [g] | 2692.91 ± 534.95 | 2720.40 ± 527.70 | 2547.00 ± 471.03 | 2646 ± 558.21 |
| Weight SDS | −1.88 ± 1.29 | −1.85 ± 1.26 | −2.69 ± 0.92 (p = 0.06) * | −1.91 ± 1.30 |
| Length [cm] | 52.13 ± 4.42 | 52.46 ± 4.16 | 51.20 ± 4.26 | 51.11 ± 5.83 |
| Length SDS | 1.20 ± 1.90 | 1.28 ± 1.99 | 0.27 ± 1.61 | 0.84 ± 2.15 |
PWS—Prader–Willi syndrome, DEL 15—deletion of chromosome 15q11-13, UPD 15—uniparental disomy, ID—imprinting defect, F/M—female/male, ND—not done. * group UPD 15 vs. DEL 15.