From: The association of serum vitamin D level and neonatal respiratory distress syndrome
 | OR | 95% CI | p value |
---|---|---|---|
Serum levels of 25(OH)D3 in cord blood < 57.69 nmol/L | 4.784 | 1.895 to 8.364 | 0.002 |
Gestational age < 31 weeks | 7.163 | 4.075 to 12.547 | < 0.001 |
Birth weight < 1.86 kg | 2.216 | 1.484 to 4.35 | 0.005 |
Apgar score (1 min) < 7 | 6.216 | 3.756 to 9.337 | < 0.001 |
Apgar score (1 min) < 8 | 1.967 | 1.253 to 3.188 | 0.017 |