Figure 3
From: Reference percentiles for FEV1 and BMI in European children and adults with cystic fibrosis
Age and country cystic fibrosis specific FEV 1 (a) and BMI (b) percentile distributions in European cystic fibrosis patients. Boxes extend from the first to the last quartile,with the median as a thick line, and whiskers over the whole range. Notches correspond with the 95% Bonferroni adjusted (12 comparisons) confidence intervals for the country median, a star indicating that the expected median percentile (50%) is not within the confidence interval. Definitions: Infants: 2 to 6 years old; Children: 6 to 13 years old; Teenagers: 13 to 20 years old; Adults: over 20 years old.