Delisle 2001.

Methods	RCT.
Participants	Inclusion criteria: singleton non‐vertex; age 18 or older; GA 36 weeks or more; intact membranes; reactive CTG. N = 141.
Interventions	Intervention:regional analgesia (C). Spinal analgesia with bupivacaine 0.25% 1 mL plus 20 mcg fentanyl vs control; 4 ECV attempts. N = 73. Comparison:standard care. N = 68. Nitroglycerine tocolysis was used per operator preference.
Outcomes	ECV failure; non‐reassuring CTG (1/73 vs 0/68).
Notes	Conference abstract, August 1998 to June 2001.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	No information given.
Allocation concealment (selection bias)	Unclear risk	No information given.
Blinding of participants and personnel (performance bias) All outcomes	High risk	Participants and clinicians were not blinded; unclear whether outcome assessor was blinded.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Participants and clinicians were not blinded; unclear whether outcome assessor was blinded.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Little information given.
Selective reporting (reporting bias)	Unclear risk	We did not assess the trial protocol.
Other bias	High risk	Baseline data: reported as similar in maternal age, GA at time of ECV, parity and birthweight. However, clinicians, who were not blinded to the intervention, were able to give IV tocolysis by choice; this could lead to an imbalance between groups. No information on this is given in the Conference abstract, but this is a potential source of bias.