Risk factors for infant hospital readmission for hyperbilirubinaemia

VariablesStudy group (%)Control group (%)Odds ratio (95% CI)
Gestational age ≤36 weeks9.51.613.2 (2.7 to 64.6)
Jaundice in nursery90.655.9 7.8 (3.4 to 18.0)
Gestational age >36–37 weeks16.54.7 7.7 (2.7 to 22.0)
Gestational age >37–38 weeks28.48.7 7.2 (3.1 to 17.0)
Breast feeding89.063.8 4.2 (1.8 to 9.9)
Length of stay 48–<72 hours44.133.1 3.2 (1.4 to 7.1)
Male sex74.849.6 2.9 (1.5 to 5.7)
Length of stay <48 hours47.246.5 2.4 (1.1 to 5.3)
Gestational age ≥40 weeks15.834.7 0.4 (0.2 to 0.7)
Initial length of stay ≥72 hours8.720.5 0.4 (0.2 to 0.8)
No meconium3.222.8 0.2 (0.04 to 0.6)
Rupture of membranes ≥18 hours before birth1.67.1 0.08 (0.01 to 0.5)