Table 3.
Outcomes associated with closure of uterus
| Single closure | Double closure | Adjusted risk ratio (95% CI) | ||
|---|---|---|---|---|
| Women's health | ||||
| Women eligible to be assessed | 4613 | 4621 | .. | |
| Known deaths | 25/4613 (<1%) | 32/4621 (<1%) | 0·78 (0·46–1·32) | |
| Subsequent pregnancies | ||||
| Babies of women with a subsequent viable pregnancy* | 1630 | 1646 | .. | |
| Stillbirth† | 34/1630 (2%) | 28/1646 (2%) | 1·23 (0·75–2·01) | |
| Neonatal death†‡ | 32/1595 (2%) | 34/1616 (2%) | 0·96 (0·59–1·54) | |
| Method of delivery† | ||||
| Non-instrumental vaginal | 309/1630 (19%) | 288/1646 (18%) | .. | |
| Instrumental vaginal | 9/1630 (<1%) | 5/1646 (<1%) | .. | |
| Pre-labour caesarean section | 1025/1630 (63%) | 1076/1646 (65%) | .. | |
| In labour caesarean section | 287/1630 (18%) | 277/1646 (17%) | .. | |
| All caesarean sections | 1312/1630 (81%) | 1353/1646 (82%) | 0·98 (0·95–1·01) | |
| Women with a subsequent viable pregnancy* | 1611 | 1624 | .. | |
| Other pregnancy complications, composite†§ | 38/1609 (2%) | 32/1623 (2%) | 1·20 (0·75–1·90) | |
| Uterine rupture† | 1/1610 (<1%) | 2/1624 (<1%) | 0·50 (0·05–5·51) | |
| Uterine scar dehiscence† | 4/1609 (<1%) | 2/1624 (<1%) | 2·01 (0·37–10·95) | |
| Placenta praevia† | 5/1609 (<1%) | 4/1624 (<1%) | 1·23 (0·33–4·57) | |
| Morbidly adherent placenta† | 0/1609 | 2/1624 (<1%) | - | |
| Abruption† | 6/1610 (<1%) | 4/1624 (<1%) | 1·51 (0·43–5·35) | |
| Post-partum haemorrhage requiring transfusion of >1 unit of whole blood or packed cells† | 8/1610 (<1%) | 7/1624 (<1%) | 1·15 (0·42–3·16) | |
| Severe infection within 6 weeks post partum† | 14/1610 (<1%) | 15/1623 (<1%) | 0·94 (0·46–1·94) | |
| Hysterectomy up to 6 weeks post partum† | 1/1610 (<1%) | 1/1624 (<1%) | 1·00 (0·06–15·90) | |
| Manual removal of placenta† | 4/1610 (<1%) | 0/1624 | .. | |
Missing data are <1% unless otherwise stated.
*
Viability could not be assessed if gestational age was not recorded.
†
For the birth after the CORONIS birth.
‡
Excludes stillbirths.
§
Includes: uterine rupture, uterine scar dehiscence, placenta praevia, morbidly adherent placenta, abruption, post-partum haemorrhage requiring transfusion, severe infection within 6 weeks, post-partum hysterectomy up to 6 weeks post partum, manual removal of placenta.