Table 3.
Characteristics and delivery outcomes in women with low birth experience score compared to women with average or good birth experience (n = 18 396)
| VAS < 5 (n = 819) | Vas ≥ 5 (n = 17 577) |
p-value | Unadjusted | Adjusted | |||
|---|---|---|---|---|---|---|---|
| n | (%) | n | (%) | OR (95% CI) | OR (95% CI) | ||
| Age > 35 years | 207 | 25.3 | 4703 | 26.8 | 0.35 | 0.9 (0.8–1.1) | 0.9 (0.8–1.1) |
| Height < 164 cm | 314 | 38.5 | 6304 | 36.1 | 0.161 | 1.1 (1.0–1.3) | 0.9 (0.8–1.1) |
| BMI ≥ 30 | 133 | 16.2 | 2055 | 11.7 | < 0.001 | 1.5 (1.2–1.8) | 1.2 (1.0–1.5) |
| IVF | 51 | 6.2 | 787 | 4.5 | 0.02 | 1.4 (1.1–1.9) | 0.9 (0.7–1.3) |
| Smoking | 79 | 9.8 | 1309 | 7.6 | 0.02 | 1.3 (1.0–1.7) | 1.3 (1.0–1.6) |
| Primiparous | 587 | 71.7 | 8092 | 45.8 | < 0.001 | 3.0 (2.6–3.5) | 2.0 (1.6–2.4) |
| Post-term (≥ 41 weeks) | 338 | 41.3 | 5340 | 30.4 | < 0.001 | 1.6 (1.4–1.9) | 1.1 (1.0–1.3) |
| Induced labor | 399 | 48.7 | 4923 | 28.0 | < 0.001 | 2.4 (2.1–2.8) | 1.6 (1.4–1.9) |
| Gestational diabetes | 188 | 23.0 | 3641 | 20.7 | 0.12 | 1.1 (0.9–1.3) | 1.0 (0.9–1.2) |
| Previous CS | 59 | 7.2 | 1237 | 7.0 | 0.89 | 1.0 (0.8–1.3) | 1.1 (0.8–1.5) |
| Caesarean delivery | 262 | 32.0 | 1465 | 8.3 | < 0.001 | 5.2 (4.4–6.0) | 4.5 (3.7–5.5) |
| Operative vaginal delivery | 211 | 25.8 | 1969 | 11.2 | < 0.001 | 2.8 (2.3–3.2) | 3.3 (2.7–4.0) |
| Placental retention | 24 | 2.9 | 302 | 1.7 | 0.01 | 1.7 (1.1–2.6) | 1.2 (0.7–1.9) |
| Shoulder dystocia | 7 | 0.9 | 55 | 0.3 | 0.01 | 2.7 (1.2–6.0) | 1.6 (0.7–3.9) |
| Sphincter injury | 25 | 3.1 | 347 | 2.0 | 0.03 | 1.6 (1.3–2.4) | 1.4 (0.9–1.2) |
| Maternal infection | 64 | 7.8 | 294 | 1.7 | < 0.001 | 5.0 (3.8–6.6) | 1.7 (1.3–2.4) |
| PPH ≥ 1000 ml | 174 | 21.5 | 1782 | 10.2 | < 0.001 | 2.4 (2.0–2.9) | 1.3 (1.1–1.6) |
| Maternal severe complication | 5a | 0.6 | 12b | 0.1 | < 0.001 | 9.0 (3.2–25.6) | 3.0 (1.0–9.3) |
| NICU admission | 80 | 9.8 | 926 | 5.3 | < 0.001 | 2.0 (1.5–2.5) | 0.9 (0.7–1.1) |
a Uterine rupture n = 2 (of which one underwent hysterectomy), relaparotomy n = 1, pulmonary embolism n = 1, sepsis = 1
b Uterine rupture n = 10, hysterectomy n = 1, relaparotomy n = 1