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Table 1 Blunt versus sharp abdominal entry

From: The CORONIS Trial. International study of caesarean section surgical techniques: a randomised fractional, factorial trial

Study n Infection Pain Health service use Other outcomes
   Outcome Result Outcome Result Outcome Result Outcome Result
Decavalas 7 268     Operating time (mean) 26 v 35 min Composite morbidity (RR) 0.51 (0.24, 1.05)  
Mathai et al 8 101 Febrile morbidity (RR) 0.25 (0.07, 0.82) Analgesia in first 4 hours post op (RR) 0.55 (0.40, 0.76) Operating time (mean (SD)) 33 (7.8) v 44 (16.9) min   
Franchi et al 9 310      Operating time (median (range)) 30 (12–60) v 32 (18–70) min Composite morbidity (RR) 0.94 (0.39, 2.24)