Male, n (%) |
62 (44.6%) |
86 (57.3%) |
134 (51.9%) |
116 (49.8%) |
0.048 |
Gestational Age, n (%) |
|
|
|
|
0.28 |
24 weeks |
42 (30.2%) |
36 (24.0%) |
53 (20.5%) |
49 (21.0%) |
|
25 weeks |
30 (21.6%) |
40 (26.7%) |
76 (29.5%) |
51 (21.9%) |
|
26 weeks |
39 (28.1%) |
33 (22.0%) |
67 (26.0%) |
49 (21.0%) |
|
27 weeks |
28 (20.1%) |
41 (27.3%) |
62 (24.0%) |
84 (36.1%) |
|
Birth weight (g), mean (sd) |
795.1 (170.1) |
815.9 (180.8) |
807.1 (187.6) |
835.1 (196.7) |
0.85 |
Birth length (cm), mean (sd) |
33.1 (2.5) |
33 (3.1) |
32.9 (2.8) |
33.3 (3.1) |
0.25 |
Size for Gestational Age, n (%) |
|
|
|
|
0.57 |
Large |
16 (11.5%) |
22 (14.7%) |
30 (11.6%) |
23 (9.9%) |
|
Average |
113 (81.3%) |
120 (80.0%) |
202 (78.3%) |
193 (82.8%) |
|
Small |
10 (7.2%) |
8 (5.3%) |
26 (10.1%) |
17 (7.3%) |
|
Apgar 1 min, median (IQR) |
4 (3, 5) |
4 (1.5, 6) |
4 (2, 6) |
4 (2, 6) |
0.82 |
Apgar 5 min, median (IQR) |
7 (5, 8) |
7 (5, 8) |
7 (5, 8) |
7 (6, 8) |
0.09 |
OFC (cm), mean (sd) |
23 (1.5) |
23.1 (1.9) |
23.2 (2.1) |
23.3 (1.9) |
0.92 |
Number of fetuses, mean (sd) |
1.3 (0.5) |
1.3 (0.6) |
1.3 (0.5) |
1.3 (0.6) |
0.95 |
Prenatal steroids, n (%) |
123 (89.8%) |
140 (94.6%) |
238 (94.1%) |
209 (90.9%) |
0.06 |
1 dose, n (%) |
21 (17.1%) |
28 (20.0%) |
44 (18.5%) |
54 (25.8%) |
0.08 |
2 doses, n (%) |
94 (76.4%) |
93 (66.4%) |
165 (69.3%) |
138 (66.0%) |
|
3 doses, n (%) |
8 (6.5%) |
17 (12.1%) |
27 (11.3%) |
14 (6.7%) |
|
Delivery room resuscitation, n (%) |
|
Any |
136 (97.8%) |
145 (96.7%) |
253 (98.1%) |
221 (94.8%) |
0.41 |
Oxygen |
103 (74.1%) |
122 (81.3%) |
219 (84.9%) |
193 (82.8%) |
0.13 |
Positive pressure |
118 (84.9%) |
127 (84.7%) |
238 (92.2%) |
199 (85.4%) |
0.12 |
Intubation |
110 (79.1%) |
119 (79.3%) |
217 (84.1%) |
180 (77.3%) |
0.23 |
Surfactant |
72 (51.8%) |
72 (48.0%) |
136 (52.7%) |
117 (50.2%) |
0.88 |
Chest compression |
7 (5.0%) |
8 (5.3%) |
23 (8.9%) |
14 (6.0%) |
0.44 |
Resuscitation drugs |
4 (2.9%) |
5 (3.3%) |
7 (2.7%) |
6 (2.6%) |
0.81 |