Laine 2004b.

Methods	Glove wearer randomised. Details of randomisation, concealment and tester not given. Standard test used.
Participants	Primary and assistant surgeon. Abdominal surgery. Sample ‐ 274 patients, 1,628 gloves (814 pairs).
Interventions	Single versus perforation indicator gloves
Outcomes	Number of perforations. Proportion of total number of perforations detected by glove wearer during surgery.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear