Comparison 22. Laminaria tent versus intracervical prostaglandin E2: all women.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Uterine hyperstimulation with FHR changes	2	350	Risk Ratio (M‐H, Fixed, 95% CI)	0.17 [0.02, 1.42]
2 Caesarean section	5	920	Risk Ratio (M‐H, Fixed, 95% CI)	1.16 [0.93, 1.45]
3 Serious neonatal morbidity/perinatal death	1	185	Risk Ratio (M‐H, Fixed, 95% CI)	3.16 [0.13, 76.70]
4 Serious maternal morbidity or death	1	185	Risk Ratio (M‐H, Fixed, 95% CI)	0.35 [0.01, 8.52]
5 Cervix unfavourable/unchanged after 12‐24 hours	2	218	Risk Ratio (M‐H, Random, 95% CI)	0.46 [0.11, 1.96]
6 Oxytocin augmentation	1	185	Risk Ratio (M‐H, Fixed, 95% CI)	1.41 [1.21, 1.64]
7 Uterine hyperstimulation without FHR changes	2	601	Risk Ratio (M‐H, Fixed, 95% CI)	0.17 [0.02, 1.36]
8 Uterine rupture	1	185	Risk Ratio (M‐H, Fixed, 95% CI)	0.35 [0.01, 8.52]
9 Instrumental vaginal delivery	3	424	Risk Ratio (M‐H, Fixed, 95% CI)	1.05 [0.65, 1.69]
10 Apgar score < 7 at 5 minutes	1	185	Risk Ratio (M‐H, Fixed, 95% CI)	5.28 [0.63, 44.30]
11 Neonatal intensive care unit admission	2	259	Risk Ratio (M‐H, Fixed, 95% CI)	1.58 [0.58, 4.33]
12 Perinatal death	1	185	Risk Ratio (M‐H, Fixed, 95% CI)	3.16 [0.13, 76.70]
13 Maternal side effects	1	165	Risk Ratio (M‐H, Fixed, 95% CI)	0.20 [0.01, 4.15]
14 Postpartum haemorrhage	2	239	Risk Ratio (M‐H, Fixed, 95% CI)	1.14 [0.46, 2.81]
15 Chorioamnionitis	1	74	Risk Ratio (M‐H, Fixed, 95% CI)	3.17 [0.35, 29.06]
16 Endometritis	2	490	Risk Ratio (M‐H, Random, 95% CI)	0.30 [0.08, 1.09]
17 Fetal distress	2	128	Risk Ratio (M‐H, Fixed, 95% CI)	0.44 [0.07, 2.90]