From: A quality improvement program for adolescents with cystic fibrosis: focus on psychosocial skills
2011
N = 40
2012
N = 35
2013
N = 36
2014
N = 39
2015
N = 38
Mean FEV1
81.7%
84.1%
91.7%
92%
90.5%
Median FEV1
84%
89%
95%
97%