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. 2009 Jul 8;2009(3):CD002865. doi: 10.1002/14651858.CD002865.pub2

Wing 2000.

Methods "Randomly assigned".
Participants 180 women beyond 41 weeks, with unfavourable cervices and indication for induction of labour.
Interventions Single‐dose mifepristone 200 mg (97) or placebo (83). Vaginal misoprostol was given after 24 hours if not in labour.
Outcomes Obstetric, neonatal.
Notes Unexplained difference in numbers between the 2 groups.
Risk of bias
Bias Authors' judgement Support for judgement
Adequate sequence generation? Low risk Adequate: "randomly allocated". Further detailed information provided such as the use of sequentially numbered lists. Comment: probably done.
Allocation concealment? Low risk Adequate. Quote: "computer generated randomisation list".
Blinding? 
 All outcomes Low risk Adequate. Third party packaging of placebo and mifepristone in concealed sequentially numbered envelopes.
Incomplete outcome data addressed? 
 All outcomes Low risk Adequate. None withdrawn and none were excluded from data analysis.
Free of selective reporting? Low risk All outcomes were reported.
Free of other bias? Low risk Study completed.