Table 2 Demographic and clinical characteristics of the preterm babies with (NRDS) and without (Control) neonatal respiratory distress syndrome
From: The association of serum vitamin D level and neonatal respiratory distress syndrome
Characteristics | Study group | p value | |
|---|---|---|---|
Control (n=82) | NRDS (n=82) | ||
Gender | |||
 Male | 49 (59.8%) | 44 (53.7%) | 0.529 |
 Female | 33 (40.2%) | 38 (46.3%) | |
Gestational age (weeks) | 32.7±2.8 | 31.9±3.2 | 0.283 |
Birth weight (Kg) | 2.15±0.51 | 1.97±0.63 | 0.106 |
Apgar score (1 min) | 8.14±1.39 | 6.76±1.45 | < 0.001 |
Apgar score (5 min) | 8.96±0.75 | 7.26±1.46 | < 0.001 |
Asphyxia | |||
 Yes | 3 (3.7%) | 21 (25.6%) | < 0.001 |
 No | 79 (96.3%) | 61 (74.4%) | |
NRDS classification | |||
 Mild | - | 25 (30.5%) | - |
 Moderate | 39 (47.6%) | ||
 Severe | 18 (21.9%) | ||
Maternal age (years) | 28.4±4.2 | 29.7±4.6 | 0.417 |
Parity, % | |||
 0 | 42 (51.2%) | 34 (41.5%) | 0.236 |
 1 | 36 (43.9%) | 39 (47.6%) | |
 ≥ 2 | 4 (4.9%) | 9 (10.9%) | |
Delivery | |||
 Vaginal delivery | 42 (51.2%) | 31 (37.8%) | 0.156 |
 Caesarian section | 40 (48.8%) | 51 (62.2%) | |
Gestational diabetes mellitus | |||
 Yes | 30 (36.6%) | 37 (45.1%) | 0.266 |
 No | 52 (63.4%) | 45 (54.9%) | |
Gestational hypertension | |||
 Yes | 9 (10.9%) | 16 (19.5%) | 0.128 |
 No | 73 (89.1%) | 66 (80.5%) | |