Table 1 Demographic characteristics by AKI status.
No AKI (N = 177) | Any AKI (N = 39) | p-valuea | Stage 2/3 AKI (N = 27) | p-valueb | |
|---|---|---|---|---|---|
Gestational age (weeks), median (IQR) | 25.9 (24.3–27.4) | 24.1 (23.1–26.1) | <0.001 | 23.9 (23.1–25.9) | <0.001 |
<24 weeks | 28 (16) | 19 (49) | <0.001 | 14 (52) | <0.001 |
24–25 6/7 weeks | 62 (35) | 10 (26) | 0.64 | 7 (26) | 0.38 |
26–28 6/7 weeks | 87 (49) | 10 (26) | 0.008 | 6 (22) | 0.11 |
Birth weight (g), median (IQR) | 730 (607–930) | 620 (550–740) | 0.006 | 580 (530–705) | 0.001 |
Multiple gestation, n (%) | 35 (20) | 8 (21) | 0.92 | 5 (19) | 0.85 |
Male sex, n (%) | 95 (54) | 22 (56) | 0.76 | 17 (63) | 0.33 |
White race, n (%) | 73 (41) | 10 (26) | 0.07 | 7 (26) | 0.15 |
Antenatal corticosteroids, n (%) | 162 (92) | 36 (92) | 0.87 | 24 (89) | 0.58 |
Caesarean section, n (%) | 120 (68) | 25 (64) | 0.66 | 18 (67) | 0.96 |
Histologic chorioamnionitis, n (%) | 86 (49) | 19 (49) | 0.99 | 12 (44) | 0.64 |
Small for gestational age, n (%) | 29 (16) | 5 (13) | 0.58 | 4 (15) | 0.89 |
Prolonged rupture of membranes, n (%) | 42 (24) | 9 (24) | 0.97 | 6 (23) | 0.91 |
