Variable

NEC (n = 11)

No NEC (n = 494)

P-value

Blood transfusion < 7 days post-partum, n (%)^†

8 (72.7)^‡

63 (12.8)

<0.001

Blood transfusion during hospitalization, n (%)

9 (81.8)

91 (18.5)

<0.001

Hb post-partum, mean (SD)*

9.7 (2.3)

10.8 (2.1)

0.087

Hb difference between both infants, mean (SD)*

1.7 (1.1)

2.1 (2.0)

0.884

Hb < 8.0 mmol/L, n (%)

2 (18.2)

174 (35.3)

0.265