Figure 3. Total and Item Chronic Obstructive Pulmonary Disease (COPD) Assessment Test (CAT) Scores in Patients at 2-Year Follow-up.

A, Total CAT score at 2 years after patient discharge; lines within bars denote means, and error bars denote 95% CIs. B, Percentage of patients with CAT score 10 or higher and less than 10. C, Histogram of responses to individual CAT items; confidence refers to a CAT item concerning confidence leaving the home. D, Factors associated with risk of CAT total scores 10 or higher. ADL indicates activities of daily living; OR, odds ratio.