Table 4

Single versus double layer closure of the uterus

Study
n
Infection
Blood loss
Health service use
Other outcomes



Outcome
Result
Outcome
Result
Outcome
Result
Outcome
Result

Cochrane review15
1,006
Endometritis (n = 784) (RR)
1.22 (0.91–1.63)
Transfusion (n = 906) (RR)
0.80 (0.34–1.92)
Operating time (Mean)
43.8 v 47.5 min
Moderate or major deformity of
0.19 (0.06–0.60)




Extra haemostatic sutures (n = 906) (RR)
0.93 (0.79–1.08)


scar on radiography (n = 100) (RR)





>8% drop in haematocrit (n = 906) (RR)
1.09 (0.86–1.38)




Heidenreich17
125
Post-operative fever
4.8% v. 7.2%
Transfusion
3.8% v. 3.2%


Scar thickness by US (8–10 days after surgery)
0.72 v. 0.82 cm
Sood18
208
Febrile morbidity (RR)
0.50 (0.27–0.94)
Intraoperative blood loss (Mean)
600 v. 629.6 ml
Operating time (Mean)
Hospital stay (Mean)
31.3 v. 33.1 min
6.67 v. 7.19 days
Pain (VAS Score) (Mean)
2.91 v. 3.05


Endometritis (RR)
0.44 (0.20–0.95)
Additional suture (RR)
1.36 (0.85–2.17)






Wound infection (RR)
0.46 (0.15–1.45)







The CORONIS Trial Collaborative Group BMC Pregnancy and Childbirth 2007 7:24   doi:10.1186/1471-2393-7-24