Variable | NEC (n = 9) | No NEC (n = 427) | P-value |
At least one abnormal Doppler finding of the umbilical artery during pregnancy, n (%) | 2 (22.2) | 53 (12.4) | 0.317 |
At least one abnormal Doppler finding of the MCA during pregnancy, n (%) | 2 (22.2) | 44 (10.3) | 0.244 |
IUGR, n (%) | 2 (22.2) | 31 (7.3) | 0.143 |