[Table, Summary of a systematic review on the effectiveness and optimal method of hair removal]. - Global Guidelines for the Prevention of Surgical Site Infection

Author, year	Sequence generation	Allocation concealment	Participants blinded	Care providers blinded	Outcome assessors blinded	Incomplete outcome data	Selective outcome reporting	Other sources of bias
Abouzari, 2009 ⁷	Unclear	Unclear	High risk	High risk	Unclear	Unclear	Low risk	-
Adisa, 2011 ⁸	Low risk	Low risk	High risk	Low risk	Low risk	Low risk	Low risk	-
Alexander, 1983⁹	Low risk	Unclear	High risk	Unclear	Unclear	Low risk	Low risk	-
Balthazar, 1982 ¹⁰	Low risk	Unclear	High risk	Unclear	Unclear	Low risk	Low risk	-
Celik, 2007 ¹¹	Low risk	Unclear	High risk	High risk	Unclear	High risk	Low risk	-
Court-Brown, 1981 ¹²	Unclear	Unclear	High risk	High risk	Unclear	Unclear	High risk	-
Goëau-Brissonnière, 1987 ¹³	Low risk	Unclear	High risk	High risk	Unclear	Unclear	Unclear	-
Grober, 2013 ¹⁴	Unclear	Unclear	Low risk	High risk	Unclear	Unclear	Low risk	-
Horgan, 1999 ¹⁵	Unclear	High risk	High risk	High risk	Unclear	Low risk	Low risk	-
Ilankovan, 1992 ¹⁶	Low risk	Unclear	Low risk	High risk	Unclear	Low risk	High risk	-
Kattipattanapong, 2012 ¹⁷	Low risk	Low risk	High risk	High risk	Unclear	Low risk	Low risk	-
Powis, 1976 ¹⁸	High risk	Unclear	High risk	Unclear	Low risk	Low risk	Low risk	-
Rojanapirom, 1992 ¹⁹	Unclear	Unclear	High risk	High risk	Unclear	Low risk	Low risk	-
Seropian, 1971 ²⁰	High risk	Unclear	High risk	Unclear	Unclear	Low risk	High risk	-
Thur de Koos, 1983 ²¹	High risk	Unclear	High risk	Unclear	Unclear	Low risk	Unclear	-

From: Web Appendix 7, Summary of a systematic review on the effectiveness and optimal method of hair removal

Global Guidelines for the Prevention of Surgical Site Infection.

Geneva: World Health Organization; 2018.

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