Fig. 1
From: Acuity of asthma exacerbations in Alberta, Canada is increasing: a population-based study
A Mean daily ED visits for asthma exacerbations per 106 adults. B Percent of adult ED visits for asthma exacerbations resulting in hospital admission. C Stacked area plot showing proportion of ED visits for asthma exacerbations with each CTAS among males. D Stacked area plot showing proportion of ED visits for asthma exacerbations with each CTAS among females. The percentages in C and D. are additive to show changes in the distribution of CTAS scores over time and add to 100% for each year; Canadian Triage and Acuity Scale, ED emergency department