Creve 1980 B.

Methods	Randomised cotrolled trial. Randomisation by sealed envelopes. Blinding of patients and surgeon. Unclear blinding of outcome assesor.
Participants	4 patients enrolled in the study. Age‐range: 18‐76
Interventions	Treatment group: Gentamycin 80 mg and Clindamycin 600 mg i.v inter‐operatively. Placebo group: No treatment
Outcomes	Wound infection (presense of pus which either spontaneously discharged or required evacuation)
Notes	No comments on drain treatment. The results are a part of a study including other kind of gastrointestinal sugery.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate