|
Pre-Labor Cesarean
N = 6551
|
Attempted vaginal birth
N = 26204
|
p-value*
|
|
% (n) |
% (n) |
|
Age at admission |
|
|
<0.001 |
<20 |
8.4 (88) |
91.6 (960) |
|
20-34 |
17.8 (4371) |
82.2 (20233) |
|
35-39 |
28.3 (1664) |
71.7 (4209) |
|
≥40 |
35.0 (425) |
65.0 (790) |
|
Missing or implausible value |
0.05 (3) |
0.05 (12) |
|
Race and ethnicity |
|
|
<0.001 |
White, non-Hispanic
|
20.4 (3433)
|
79.6 (13415)
|
|
African American, non-Hispanic
|
23.0 (437)
|
77.0 (1461)
|
|
Hispanic
|
17.8 (985)
|
82.2 (4567)
|
|
Asian or Pacific Islander
|
20.9 (1282)
|
79.1 (4851)
|
|
American Indian or Alaska Native
|
18.7 (79)
|
81.3 (344)
|
|
Other
|
18.5 (213)
|
81.5 (940)
|
|
Missing |
1.9 (122) |
2.4 (626) |
|
Body mass index (BMI) |
|
|
|
<25 kg/m2
|
14.7 (498)
|
85.3 (2888)
|
<0.001
|
25-29 kg/m2
|
17.0 (1941)
|
83.0 (9456)
|
|
30-34 kg/m2
|
19.9 (1833)
|
80.1 (7356)
|
|
>35 kg/m2
|
26.4 (2140) |
73.6
(5972) |
|
Missing/improbable value |
20.7 (139) |
79.3 (532) |
|
Parity |
|
|
<0.001 |
Nulliparous |
10.4 (1360) |
89.6 (11694) |
|
Multiparous |
26.3 (5191) |
73.7 (14510) |
|
Pre-pregnancy diabetes |
|
|
<0.001 |
Yes |
39.9 (267) |
60.1 (403) |
|
No |
19.6 (6284) |
80.4 (25801) |
|
Pre-pregnancy hypertension |
|
|
<0.001 |
Yes |
35.6 (385) |
64.4 (696) |
|
No |
19.5 (6166) |
80.5 (25508) |
|
Gestational diabetes |
|
|
<0.001 |
Yes |
25.5 (828) |
74.5 (2420) |
|
No |
19.4 (5723) |
80.6 (23784) |
|
Pre-eclampsia / gest hypertension |
|
|
<0.001 |
Yes |
22.6 (707) |
77.4 (2421) |
|
No |
19.7 (5844) |
80.3 (23783) |
|
Fetal anomaly |
|
|
<0.001 |
Yes |
29.1 (209) |
70.9 (509) |
|
No |
19.8 (6342) |
80.2 (25695) |
|
History of stillbirth |
|
|
<0.001 |
Yes |
32.1 (134) |
67.9 (283) |
|
No |
19.8 (6417) |
80.2 (25921) |
|
Level of neonatal care |
|
|
<0.001 |
I |
17.9 (477) |
82.1 (2191) |
|
II |
17.5 (1177) |
82.5 (5541) |
|
III-IV |
21.0 (4897) |
79.0 (18472) |
|