Fig. 4From: Ten-year trends in intensive care admissions for respiratory infections in the elderlyFrequency of comorbid conditions by age class. Frequency of comorbid conditions are represented for each age class. We calculated the percentage of each code on the total number of coded comorbidities recorded. We plotted the result using stacked bar graphs for each age class, with the total bar height representing 100% of comorbidity codesBack to article page