Thomas 2001.

Methods	Surgeons were randomised into two groups using sealed envelopes immediately prior to scrubbing. Details of method of randomisation not given. Perforations were tested by 2 methods: filling the gloves with air and submerging them in water and filling the gloves with water and observing for leaks.
Participants	Primary surgeon and assistant surgeon. General surgery
Interventions	Single versus standard double gloves
Outcomes	Number of perforations.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate