Variables | Total (n = 221) | Non-response group (n = 61) | Response group (n = 160) | Z/X2 | P |
---|---|---|---|---|---|
Maternal age,‾X ± S, years | 31.5 ± 4.7 | 31.5 ± 4.8 | 31.5 ± 4.7 | -0.097 | 0.923 |
Gestational diabetes, n (%) | 74 (33.5) | 24 (39.3) | 50 (31.4) | 1.232 | 0.267 |
Gestational Hypertension, n (%) | 33 (14.9) | 9 (14.8) | 24 (15.0) | 0.002 | 0.963 |
Chorioamnionitis, n (%) | 7 (3.2) | 1 (1.6) | 6 (3.8) | 0.641 | 0.423 |
Premature rupture of membranes > 18 h, n (%) | 55 (24.9) | 19 (31.1) | 36 (22.5) | 1.767 | 0.184 |
Gestational age, M (Q1, Q3), weeks | 32.1 (30.29, 33.29) | 30.0 (28.2, 32.3) | 31.04 (32.6, 33.4) | -5.446 | < 0.001 |
Birth weight, M (Q1, Q3), grams | 1650.0 (1314, 1920) | 1313.0 (1016.5, 1652.5) | 1742.5 (1479.3, 1965.0) | -5.454 | < 0.001 |
Male, n (%) | 123 (55.7) | 32 (52.5) | 91 (56.9) | 0.349 | 0.555 |
Cesarean section, n (%) | 151 (68.3) | 45 (73.8) | 106 (66.3) | 1.154 | 0.283 |
SGA, n (%) | 19 (8.6) | 7 (11.5) | 12 (7.5) | 0.888 | 0.346 |
Completed antenatal steroids, n (%) | 129 (58.4) | 38 (62.3) | 91 (56.9) | 0.534 | 0.465 |
5Â min Apgar score, M (Q1, Q3) | 9 (9,10) | 9 (8,9) | 9 (9,10) | -3.388 | 0.001 |
NRDS, n (%) | 64 (29.0) | 26 (42.6) | 38 (23.8) | 7.646 | 0.006 |
PDA, n (%) | 69 (31.2) | 31 (50.8) | 38 (23.8) | 15.07 | < 0.001 |