Journal of Allergy / 2011 / Article / Fig 4

Review Article

The Asthma-COPD Overlap Syndrome: A Common Clinical Problem in the Elderly

Figure 4

The relative ages of the combined cohort of general pulmonary and UCAN severe asthma clinics at the UC Davis Medical Center. The numbers in each bar represent the mean age per group ( by the Kruskal-Wallis test). For definitions of the different diagnostic groups, please see the text.

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