Supplemental Digital Content 4. Characteristics of excluded studies
Study Reason for exclusion
Guldiken 2011 Study population: overlapping cohort with included study Dagkiran 2020 Study population: unclear if the study population consisted of a
minimum of 10 adult cases
Jethanamest 2014 Study population: unclear if the study population consisted of a minimum of 10 adult cases
Lavinsky-Wolff 2012 Study population: unclear if the study population consisted of a minimum of 10 adult cases
Pamuk 2018 Study population: unclear if the study population consisted of a minimum of 10 adult cases
Sweeney 2015 Study population: unclear if the study population consisted of a minimum of 10 adult cases
Ulug 2009 Study population: unclear if the study population consisted of a minimum of 10 adult cases