Example COPD patient case. (A) Each case history was designed to cover a variety of disease severities and scenarios relevant to clinical practice. (B) The actors provided completed CAT forms to physicians in the CAT+ arm. CAT scores for each case were independently verified. FEV1: Forced Expiratory Volume in 1 second; BMI: Body Mass Index; COPD: Chronic Obstructive Pulmonary Disease; CAT: COPD Assessment Test.