Comparison 9. Balloon (Foley or ATAD) versus low dose oral misoprostol: all women.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
9.1 Vaginal delivery not achieved within 24 hours	2	782	Risk Ratio (M‐H, Fixed, 95% CI)	1.28 [1.13, 1.46]
9.2 Uterine hyperstimulation with FHR changes	2	2033	Risk Ratio (M‐H, Fixed, 95% CI)	0.81 [0.48, 1.38]
9.3 Caesarean section	7	3178	Risk Ratio (M‐H, Fixed, 95% CI)	1.17 [1.04, 1.32]
9.4 Serious perinatal morbidity/perinatal death	3	2627	Risk Ratio (M‐H, Fixed, 95% CI)	1.11 [0.60, 2.06]
9.5 Serious maternal morbidity or death	3	2627	Risk Ratio (M‐H, Fixed, 95% CI)	0.50 [0.05, 5.52]
9.6 Cervix unfavourable after 24 hours	4	994	Risk Ratio (M‐H, Random, 95% CI)	0.98 [0.61, 1.56]
9.7 Oxytocin augmentation	5	2847	Risk Ratio (M‐H, Random, 95% CI)	1.28 [1.09, 1.49]
9.8 Uterine hyperstimulation without FHR changes	5	2838	Risk Ratio (M‐H, Random, 95% CI)	0.50 [0.12, 2.07]
9.9 Uterine rupture	3	0	Risk Ratio (M‐H, Fixed, 95% CI)	Not estimable
9.10 Epidural	3	2635	Risk Ratio (M‐H, Random, 95% CI)	1.08 [0.96, 1.22]
9.11 Instrumental vaginal delivery	3	2627	Risk Ratio (M‐H, Fixed, 95% CI)	0.71 [0.55, 0.92]
9.12 Meconium‐stained liquor	3	2627	Risk Ratio (M‐H, Random, 95% CI)	0.77 [0.44, 1.35]
9.13 Apgar score < 7 after 5 minutes	4	2693	Risk Ratio (M‐H, Fixed, 95% CI)	0.71 [0.38, 1.32]
9.14 Neonatal intensive care unit admission	5	2873	Risk Ratio (M‐H, Fixed, 95% CI)	0.82 [0.58, 1.17]
9.15 Neonatal encephalopathy	1	600	Risk Ratio (M‐H, Fixed, 95% CI)	0.81 [0.32, 2.03]
9.16 Perinatal death	3	2627	Risk Ratio (M‐H, Fixed, 95% CI)	1.28 [0.49, 3.30]
9.17 Maternal side effects (all)	2	662	Risk Ratio (M‐H, Fixed, 95% CI)	0.61 [0.33, 1.13]
9.18 Maternal vomiting	2	662	Risk Ratio (M‐H, Fixed, 95% CI)	0.73 [0.37, 1.46]
9.19 Maternal diarrhoea	1	602	Risk Ratio (M‐H, Fixed, 95% CI)	0.29 [0.06, 1.37]
9.20 Postpartum haemorrhage	5	2966	Risk Ratio (M‐H, Fixed, 95% CI)	1.03 [0.79, 1.34]
9.21 Maternal death	3	0	Risk Ratio (M‐H, Fixed, 95% CI)	Not estimable
9.22 Women not satisfied	1	602	Risk Ratio (M‐H, Fixed, 95% CI)	1.70 [1.15, 2.50]
9.23 Maternal fever during labour	2	2033	Risk Ratio (M‐H, Fixed, 95% CI)	0.98 [0.78, 1.24]
9.24 Antibiotics during labour	2	2033	Risk Ratio (M‐H, Fixed, 95% CI)	1.22 [0.75, 2.00]
9.25 Endometritis	1	188	Risk Ratio (M‐H, Fixed, 95% CI)	0.56 [0.05, 6.03]
9.26 Fetal distress	5	2966	Risk Ratio (M‐H, Fixed, 95% CI)	0.82 [0.61, 1.09]
9.27 Umbilical artery pH < 7.10	2	1535	Risk Ratio (M‐H, Fixed, 95% CI)	0.77 [0.53, 1.12]