Variables
|
No EA
n = 195 383
|
EA
n = 52 153
|
Total
n = 247 536
|
Age (years) |
28.1 ± 5.2 |
28.5 ± 5.4 |
28.2 ± 5.3 |
BMI (kg/m2) |
22.8 ± 4.1 |
23.2 ± 4.3 |
22.9 ±
4.1 |
Gestation week |
39.4 ± 1.1 |
39.6 ± 1.1 |
39.4 ± 1.1 |
Birth weight (grams) |
3339 ± 412 |
3394 ± 412 |
3351 ±
412 |
Length of stay (days) |
3 [3 to 4] |
4 [3 to 4] |
3 [3 to
4] |
Hospital classification |
|
|
|
<500 deliveries per year |
79 883 (40.9%) |
21 688 (41.6%) |
101 571 (41.0%) |
>500 deliveries per year |
51 800 (26.5%) |
12 222
(23.4%) |
64 022 (25.8%) |
Perinatalcentre 1 |
21 823 (11.2%) |
3871 (7.4%) |
25 694
(10.4%) |
Perinatalcentre 2 |
42 023 (21.5%) |
14 411 (27.6%) |
56 434
(22.8%) |
Episiotomy |
53 335 (27.3%) |
17 541 (33.6%) |
70 876
(28.6) |
median |
1195 (0.6%) |
438 (0.8%) |
1633 (0.7%) |
mediolateral |
52 134 (26.7%) |
17 100 (32.8%) |
69 234
(27.9%) |