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