Table 1 Characteristics of the study population
Term neonates | Preterm neonates | |
|---|---|---|
N = 2534 | N = 376 | |
Gestational age (w) | 39.4 (1.2) | 33.0 (3.4) |
- Late Preterm (34 weeks–36 weeks and 6 days) | - | 223 (59.2%) |
- Very preterm (28 weeks–33 weeks and 6 days) | - | 115 (30.7%) |
- Extremely Preterm (<28 weeks) | - | 38 (10.1%) |
Birth weight (g) | 3,463 (480) | 2,067 (724) |
- Normal birth weight (≥2,500 g) | 2,473 (97.6%) | 121 (32.1%) |
- Low birth weight (<2,500 g) | 63 (2.5%) | 168 (44.8%) |
- Very low birth weight (<1,500 g) | 0 (0.0%) | 41 (10.9%) |
- Extremely low birth weight (<1,000 g) | 0 (0.0%) | 47 (12.5%) |
- SGA | 33 (1,5%) | 78 (21,4%) |
- IUGR | 1 (0.03%) | 5 (1.3%) |
Gender | ||
- Female | 1,211 (47.8%) | 183 (48.4%) |
- Male | 1,320 (52.1%) | 193 (51.1%) |
Parity | ||
- Twin | 28 (1.1%) | 67 (17.7%) |
- Triplet | 0 (0.0%) | 4 (1.1%) |
Delivery presentation | ||
- Cephalic | 2,299 (90.7%) | 285 (75.8%) |
- Breech | 152 (6.1%) | 78 (20.7%) |
Familiary Disposition for developmental dysplasia of the hip | 169 (6.7%) | 12 (3.1%) |