Rudra 2012.

Study characteristics
Methods	RCT
Participants	Inclusion criteria: low BS, AROM not possible Exclusion criteria: grande multiparas, preterm induction
Interventions	1. Foley catheter (n = 200), 40 mL, 24 hours 2. PGE2 vaginal; 2 mg
Outcomes	Duration of labour, mode of delivery, postpartum infection and haemorrhage and perinatal, AS
Notes	Abstract only Setting: Batticaloa General Hospital, Sri Lanka Study period: 18 months from 2004 Funding: not reported Declarations of interest: not reported
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not reported
Allocation concealment (selection bias)	Unclear risk	Not reported
Blinding of participants and personnel (performance bias) All outcomes	Low risk	Double‐blind? Not clear how this is possible
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Double‐blind? Not clear how this is possible
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Too little information to judge
Selective reporting (reporting bias)	Unclear risk	Too little information to judge
Other bias	Unclear risk	Abstract only