Sebold 1993.

Methods	Patients were randomised to one of three groups using sealed envelopes. Details of method of randomisation not given. Perforation test ‐ gloves were filled with water and individual digits were squeezed.
Participants	Primary surgeon. Orthopaedic surgery ‐ total joint replacements. 58 double outer gloves and 63 latex/liner outer gloves were collected.
Interventions	Standard double versus latex inner with orthopaedic outer versus double latex with cloth liner insert
Outcomes	Number of perforations. Commented on surgical site infections though this was not the focus for the study.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate