Background
Methods
Statistical analysis
Results
Dissatisfaction with childbirth VAS 1–3 (n = 953) | Not being dissatisfied with childbirth VAS 4–10 (n = 15,822) | P-value | |
---|---|---|---|
Maternal age (years) | |||
Mean [SD] | 30.2 [5.0] | 29.6 [5.0] | 0.001* |
< 25 | 101 (10.6) | 2237 (14.1) | 0.006* |
25–35 | 700 (73.5) | 11,327 (71.6) | |
> 35 | 142 (14.9) | 2098 (13.3) | |
Missing n | 10 | 160 | |
Body Mass Index | |||
< 18.5 | 14 (1.5) | 365 (2.4) | 0.079 |
18.5–24.9 | 469 (49.2) | 8253 (54.3) | |
25–29.9 | 274 (28.8) | 4212 (27.7) | |
30–34.9 | 107 (11.2) | 1669 (11.0) | |
35–39.9 | 42 (4.4) | 542 (3.6) | |
> 40 | 15 (1.6) | 185 (1.2) | |
Missing n | 32 | 596 | |
Parity | |||
Primiparas | 499 (52.4) | 6133 (38.8) | < 0.001* |
Multiparas | 438 (46.0) | 9468 (60.0) | |
Missing n | 16 | 221 |
Total number of births N = 16,775 | Dissatisfaction with childbirth VAS 1–3 | |||
---|---|---|---|---|
Number n (%) | Crude OR (95% CI) | Adjusted OR (95% CI) a | ||
Onset of labor | ||||
Spontaneous | 13,071 | 669 (5.1) | ref. | ref. |
Induction | 2655 | 232 (8.7) | 1.78 (1.52–2.07) | 1.69 (1.44–1.98) |
Elective CS | 1049 | 52 (5.0) | 0.97 (0.72–1.29) | 1.00 (0.74–1.34) |
Epidural anesthesia | ||||
Yes | 6074 | 509 (8.4) | 2.11 (1.85–2.41) | 1.90 b (1.64–2.20) |
No | 10,701 | 444 (4.1) | ref. | ref. |
Oxytocin augmentation | ||||
Yes | 6455 | 561 (8.7) | 2.41 (2.11–2.75) | 2.11 (1.83–2.44) |
No | 10,320 | 392 (3.8) | ref. | ref. |
Total number of births N = 16,775 | Dissatisfaction with childbirth VAS 1–3 | |||
---|---|---|---|---|
Number n (%) | Crude OR (95% CI) | Adjusted OR (95% CI) a | ||
Normal vaginal birth | 13,990 | 625 (4.5) | ref. | ref. |
Instrumental vaginal delivery | 852 | 119 (14.0) | 3.47 (2.81–4.28) | 2.89 (2.32–3.60) |
Elective CS | 1049 | 52 (5.0) | 1.11 (0.83–1.49) | 1.12 (0.83–1.50) |
Emergency CS | 884 | 157 (17.8) | 4.62 (3.82–5.59) | 3.98 (3.27–4.86) |
Total number of births N = 16,775 | Dissatisfaction with childbirth VAS 1–3 | |||
---|---|---|---|---|
Number n (%) | Crude OR (95% CI) | Adjusted OR (95% CI) a | ||
Obstetric anal sphincter injury | ||||
Yes | 390 | 53 (13.6) | 2.71 (2.01–3.64) | 2.07 (1.51–2.83) |
No | 16,384 | 900 (5.5) | ref. | ref. |
Missing n | 1 | |||
Postpartum hemorrhage | ||||
< 500 ml | 11,876 | 543 (4.6) | ref. | ref. |
500–999 ml | 3725 | 288 (7.7) | 1.75 (1.51–2.03) | 1.65 (1.42–1.92) |
1000–1999 ml | 815 | 82 (10.1) | 2.34 (1.83–2.98) | 2.11 (1.65–2.72) |
≥ 2000 ml | 161 | 27 (16.8) | 4.21 (2.76–6.42) | 4.11 (2.68–6.30) |
Missing n | 198 | |||
Apgar score at 5 min | ||||
< 4 | 19 | 3 (15.8) | 3.00 (0.88–10.28) | 2.57 (0.74–8.89) |
< 7 | 179 | 28 (15.6) | 3.16 (2.10–4.76) | 2.95 (1.95–4.47) |
≥ 7 | 16,559 | 918 (5.5) | ref. | ref. |
Missing n | 37 |
Study population (N = 16,775) | Women excluded (n = 4429) | P-value | |
---|---|---|---|
Maternal age (years) | |||
Mean [SD] | 29.7 [5.0] | 29.6 [5.4] | 0.377 |
< 25 | 2338 (14) | 740 (17) | < 0.001* |
25–35 | 12,027 (72) | 2900 (66) | |
> 35 | 2240 (13) | 638 (14) | |
Missing | 170 (1) | 151 (3) | |
Body Mass Index (kg/m2) | |||
Mean [SD] | 25.3 [4.9] | 25.8 [5.1] | < 0.001* |
< 18.5 | 379 (2) | 126 (3) | < 0.001* |
18.5–24.9 | 8722 (52) | 2041 (46) | |
25–29.9 | 4486 (27) | 1220 (28) | |
30–34.9 | 1776 (11) | 521 (12) | |
35–39.9 | 584 (3) | 184 (4) | |
> 40 | 200 (1) | 69 (2) | |
Missing | 628 (4) | 268 (6) | |
Parity | |||
Primiparas | 6632 (40) | 1491 (34) | < 0.001* |
Multiparas | 9906 (59) | 2825 (64) | |
Missing | 237 (1) | 113 (3) |