Tanner 2006.

Methods	Individual surgeons and scrub staff were randomised using number tables and sealed envelopes into 2 groups. A priori sample size calculations were carried out. Testers were unaware of glove group status. Gloves were filled with 1000 mls of water and observed for leaks.
Participants	Primary surgeon, assistant surgeon and scrub staff. Patient undergoing primary hip or knee replacements. 406 gloves were collected.
Interventions	Standard double versus latex inner with knitted outer glove
Outcomes	Number of perforations
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate