Gestational Age, weeks; median (IQR) |
24 (23, 25) |
23 (22, 24) |
24 (24, 25) |
<0.0001 |
Birth weight, grams; median (IRQ) |
602 (502, 641) |
545 (450, 616) range 279, 737 |
648 (579, 700) range 463, 747 |
<0.0001 |
SGA, n, (%) |
11 (7%) |
5 (7.2%) |
6 (7.7%) |
0.9265 |
Survived to discharge, n (%) |
121 (82%) |
53 (77%) |
68 (87%) |
0.0916 |
Female sex, n (%) |
89 (61%) |
41 (59%) |
48 (62%) |
0.6245 |
Race, n (%) |
|
|
|
0.8456 |
Black |
23 (16%) |
11 (16%) |
12 (15%) |
|
Asian |
3 (2%) |
1 (1%) |
2 (3%) |
|
Hispanic, any race |
12 (8%) |
4 (6%) |
8 (10%) |
|
Multiracial |
25 (17%) |
13 (19%) |
12 (15%) |
|
White |
82 (56%) |
39 (57%) |
43 (55%) |
|
Antenatal steroids n, (%) |
142 (97%) |
66 (96%) |
76 (97%) |
1.0 |
Length of stay, days, median (IQR) |
118 (81, 138) |
126 (80, 149) |
106 (84, 135) |
0.2073 |
Intraventricular hemorrhage (IVH), n, (%) |
40 (27%) |
22 (31%) |
18 (23%) |
0.2392 |
IVH grade 3 or 4, n, % |
20 (14%) |
14 (20%) |
6 (8%) |
0.02976 |
Periventricular leukomalacia (PVL), n, % |
11/137 (8%) |
6/64 (9%) |
5/73 (7%) |
0.5873 |
Postnatal steroids, n, % |
69/145 (48%) |
35/68 (51%) |
34/77 (44%) |
0.3788 |
Sepsis, n, % |
38/144 (26%) |
20/69 (29%) |
18/75 (24%) |
0.4977 |