PICOS | Inclusion Criteria | Exclusion Criteria |
Population | All patients undergoing clean surgery in the operating room | Non-clean surgery, procedures not performed in the operating room, simulation based without actual surgery |
Intervention | Use of disposable face mask | Type of face mask not specified |
Comparator | No face mask | No restriction of non-scrubbed staff from comparator group |
Outcome | Wound infection as defined by guidelines for wound classification | Follow up time not specified |
Types of study | All research published in peer reviewed journals, RCT, full text English language From 2001-2016 | All studies published before 2001, non-English studies, non RCT, patient based questionnaire, Duplicate studies No full text |