1. Body mass index (BMI) among subjects with normal spirometry, chronic obstructive pulmonary disease (COPD) and restrictive spirometry.
Body mass index (BMI) among subjects with normal spirometry, chronic obstructive pulmonary disease (COPD) and restrictive spirometry. Horizontal lines represent medians, boxes represent interquartile range and error bars represent 5–95th percentiles. The circles represent outliers lying outside 1.5 times the interquartile range and the asterisks represent extreme outliers >3 times the interquartile range.
Berne Eriksson et al. ERJ Open Res 2016;2:
©2016 by European Respiratory Society