Fig. 2From: Prevalence and incidence of idiopathic subglottic stenosis in southern and central Alberta: a retrospective cohort studyPrevalence of idiopathic subglottic stenosis in southern and central Alberta from 2010–2019 based on the Statistics Canada 2016 Census. A Total population of southern and central Alberta as defined by the census divisions No. 1–9 and 15, and the calculated prevalence of idiopathic subglottic stenosis per 100,000. B Alberta map segregated by census divisions [43]Back to article page