Figure 2From: Assessing disease disclosure in adults with cystic fibrosis: the Adult Data for Understanding Lifestyle and Transitions (ADULT) survey Disclosure of disease in adults with cystic fibrosis Degree of disclosure by lung function. Pulmonary function categories reflect those defined by the CF Foundation[1]; severe = FEV1 ≤40% predicted; moderate = FEV1 41-70% predicted; mild = FEV1 71-90% predicted; normal = FEV1 > 90% predicted; FEV1 = forced expiratory volume in 1 secondBack to article page