Table 3.

Perinatal Variables and Survival in Children Offered Intensive Care

VariableDied
(N = 110)
Survived
(N = 225)
Statistical
Significance
Obstetric variables
 Asian mother5 (4.5)19 (8.4)χ2= 1.2, NS
 Antenatal steroids61 (55.5)160 (71.1)χ2 = 7.4, P < .01
 Multiple birth23 (20.9)73 (32.4)χ2 = 4.3, P = .039
 Cesarean section21 (19.1)60 (26.7)χ2 = 1.9, NS
 Gestational age (wk)*25.2 (1.2)25.9 (1.1)0.6 (0.4, 0.9)
Pediatric variables
 Birth weight (g)*802 (177)891 (176)88 (48, 129)
 Birth weight ratio*1.03 (0.21)1.04 (0.17)0.01 (−0.03, 0.05)
 Birth weight ratio <.80 (SGA)15 (13.6)13 (5.8)χ2 = 4.8, P = .026
 Birth weight ratio >1.25 (LGA)13 (11.8)23 (10.2)χ2 = 0.1, NS
 Female38 (34.5)110 (48.9)χ2 = 5.6, P = .018
 Assisted ventilation110 (100)221 (98.2)χ2 = 0.8, NS
 Exogenous surfactant54 (49.1)97 (43.1)χ2 = 0.8, NS
>Day 7
 Grade 3 or 4 CVH10/39 (25.6)17 (7.6)χ2 = 10.0, P < .01
>Day 28
 Cystic PVL3/19 (15.8)16 (7.1)χ2 = 0.8, NS
 Postnatal corticosteroids14/19 (73.7)91 (40.4)χ2 = 6.6, P < .02
 Surgery11/19 (57.9)62 (27.6)χ2 = 6.3, P < .02
 BPD17/19 (89.5%)156 (69.3%)χ2 = 2.5, NS
  • Data are n (%), unless otherwise indicated.

    NS indicates not significant.

  • * Mean (SD).

  • Mean difference (95% confidence interval).