TABLE 9.

Unadjusted and Adjusted Risk of Complications (Neurologic Damage or Oxygen Requirement at 40 Weeks’ PCA or Discharged With Ileostomy), According to GA

GA, wkSurvivors, No.Complications, No.OR Complications (95% CI)
UnadjustedAdjusted *
2395 (56)7.9 (1.9–32.9)5.5 (1.1–27.4)
243518 (51)6.7 (2.8–15.8)5.7 (2.0–15.8)
255518 (33)3.1 (1.4–6.7)2.6 (1.0–6.5)
268112 (15)1.1 (0.5–2.5)1.1 (0.4–2.6)
2711015 (14)1.0 (reference)1.0 (reference)
>278613 (15)1.1 (0.5–2.5)0.6 (0.2–1.5)
Total37681 (22)
  • * Adjusted for gender, mode of delivery (cesarean section versus vaginal delivery), prenatal steroids, z score for BW (quartiles), ISS (quartiles), rupture of membranes of >6 days, and pregnancy complications; a significant independent contribution was found only for lowest quartile for BW (OR: 3.1; 95% CI: 1.1–8.7).