From: Risk factors for Korean women to develop an isthmocele after a cesarean section
Univariable | Multivariable | |||
---|---|---|---|---|
Odds ratio (95% CI) | P value | OR (95% CI) | P value | |
Age (years) | 1.03 (0.98–1.08) | 0.268 | ||
Number of CS | 1.34 (0.95–1.88) | 0.095 | ||
BMI (before pregnancy) | 1.04 (0.98–1.10) | 0.216 | ||
BMI (during pregnancy) | 1.01 (0.95–1.06) | 0.815 | ||
Parity | 1.27 (0.93–1.72) | 0.128 | ||
Preterm experience | 1.07 (0.66–1.72) | 0.796 | ||
Reason for CS | ||||
Repeat CS | 1.75 (1.10–2.80) | 0.019* | 2.30 (1.26–4.23) | 0.007* |
Fetal distress | 1.05 (0.55–2.01) | 0.888 | ||
PPT | 0.46 (0.23–0.93) | 0.031* | ||
Preeclampsia | 0.72 (0.34–1.54) | 0.399 | ||
Breech | 0.56 (0.28–1.10) | 0.091 | ||
Twin | 0.25 (0.11–0.59) | 0.001* | 0.25 (0.11–0.59) | 0.001* |
Arrest of descent | 1.38 (0.50–3.78) | 0.537 | ||
Arrest of dilatation | 1.79 (0.21–15.52) | 0.596 | ||
PROM | 1.90 (1.08–3.34) | 0.027* | ||
Type of CS | ||||
Elective CS | Reference | Reference | ||
Emergency CS | 1.48 (0.95–2.30) | 0.087 | ||
Pregnancy (weeks) | 1.02 (0.94–1.11) | 0.625 | ||
Birth weight | 1.00 (1.00–1.00) | 0.679 | ||
Operation time (total, min) | 0.98 (0.97–1.00) | 0.011* | 0.97 (0.96–0.99) | 0.002* |
From skin incision to baby out | 0.95 (0.91–1.00) | 0.037 | ||
From baby out to skin closure | 0.98 (0.97–1.00) | 0.024 | ||
Repair of uterine incision | ||||
Single layer | Reference | Reference | ||
Double layer | 0.88 (0.55–1.40) | 0.579 | ||
Induction of labor | 1.37 (0.74–2.55) | 0.316 | ||
Oxytocin augmentation during labor | 1.81 (0.93–3.53) | 0.081 | ||
Duration of active labor | 0.224 | |||
not in active labor | Reference | Reference | ||
< 5 h | 1.75 (0.94–3.27) | 0.079 | ||
5–9 h | 1.91 (0.62–5.82) | 0.257 | ||
≥ 10 h | 1.41 (0.70–2.84) | 0.333 | ||
With uterine contractions | 1.52 (0.96–2.41) | 0.072 | ||
Cervical dilatation at CS | 0.072 | 0.002* | ||
closed | Reference | Reference | ||
≤ 4 cm | 1.68 (1.00–2.83) | 0.051 | 3.04 (1.57–5.92) | 0.001* |
5–7 cm | 4.41 (1.01–19.37) | 0.049 | 13.11 (1.77–97.27) | 0.012* |
≥ 8 cm | 1.26 (0.51–3.12) | 0.614 | 2.04 (0.71–5.91) | 0.188 |
Ratio (E/F) | 1.27 (0.94–1.72) | 0.124 | ||
Blood transfusion | 0.33 (0.14–0.79) | 0.013* |