Table 2 Bivariate analysis of the obstetric characteristics and effective cervical ripening.
From: Prediction of an effective cervical ripenning in the induction of labour using vaginal dinoprostone
Variable | Cervical ripening | |||
|---|---|---|---|---|
Bishop score ≤ 6 | Score bishop > 6 | OR CI | P value | |
Maternal Age | 33.5 (5.10) | 32.6 (5.24) | 0.97 (0.92–1.02) | 0.239 |
Weeks of gestation | 39.3 (1.47) | 39.7 (1.32) | 1.24 (1.01–1.52) | 0.037 |
Body mass index (BMI) | 27.0 (5.39) | 24.7 (5.14) | 0.91 (0.86- 0.96) | 0.001 |
Parity | 0.378 | |||
Primiparous | 71 (54.2) | 60 (45.8) | 1 | |
Secundiparous | 28 (52.8) | 25 (47.2) | 1.06 (0.56–2.00) | 0.866 |
Terciparous or more | 14 (70.0) | 6 (30.0) | 0.51 (0.18–1.40) | 0.190 |
Previous caesarean | 0.330 | |||
No | 98 (54.4) | 82 (45.6) | 1 | |
Yes | 15 (65.2) | 8 (34.8) | 0.64 (0.26–1.58) | |
Fertility treatment | ||||
None | 102 (54.5) | 85 (45.5) | 1 | |
Insemination | 1 (100.0) | 0 (0.0) | NC | 1.000 |
In vitro fertilisation | 9 (64.3) | 5 (35.7) | 0.68 (0.22–2.07) | 0.482 |
Fetal sex | 0.028 | |||
Female | 61 (63.5) | 35 (36.5) | 1 | |
Male | 52 (48.1) | 56 (51.9) | 1.88 (1.07–3.29) | |
Diabetes | 0.055 | |||
No | 99 (53.2) | 87 (46.8) | 1 | 0.045 |
Yes | 14 (77.8) | 4 (22.2) | 0.33 (0.10–1.03) | |
Intrauterine growth restriction (IUGR) | ||||
Yes | 7 (63.6) | 4 (36.4) | 1 | |
No | 106 (54.9) | 87 (45.1) | 0.70 (0.20–2.46) | |
Hypothyroidism | 0.879 | |||
No | 96 (55.2) | 78 (44.8) | 1 | |
Yes | 17 (56.7) | 13 (43.3) | 0.94 (0.43–2.06) | |
Hypertensive states in pregnancy | 0.111 | |||
No | 101 (53.7) | 87 (46.3) | 1 | |
Yes | 12 (75.0) | 4 (25.0) | 0.39 (0.12–1.24) | |
Prepartum estimated fetal weight (EFW) | 3245.2 (57.73) | 3187.8 (45.38) | 1.00 (0.99–1.00) | 0.470 |
Cervical length (CL) before induction | 28.79 (9.57) | 23.59 (9.02) | 0.93 (0.90–0.96) | < 0.001 |
Funnelling | 0.865 | |||
No | 101 (55.2) | 82 (44.8) | 1 | |
Yes | 12 (57.1) | 9 (42.9) | 1.08 (0.44–2.70 | |
Prepartum amniotic fluid index (AFI) | ||||
< 5 | 13 (54.2) | 11 (45.8) | 1 | |
≥ 5—25 | 90 (54.5) | 75 (45.5) | 1.02 (.43–2.40) | 0.972 |
> 25 | 10 (71.4) | 4 (28.6) | 0.48 (0.15–1.59) | 0.230 |
Bishop score upon admission | 2.16 (1.41) | 3.04 (1.35) | 1.58 (1.28—1.96) | < 0.001 |
Premature rupture of membranes (PROM) | 0.001 | |||
No | 101 (61.2) | 64 (38.8) | 1 | |
Yes | 12 (30.8) | 27 (69.2) | 3.55 (1.68—7.50) | |
Hours between rupture of membranes and induction | 7.6 (6.00) | 13.3 (18.16) | 1.05 (0.95–1.16) | 0.164 |
Time with Propess® | 14.5 (7.27) | 9.3 (5.31) | 0.88 (0.84- 0.93) | < 0.001 |
