text: 100 
  
  80 
  
  60 
  
  40 
  
  20 
  
  0 
  
  Normal 
  spirometry 
  Asthma  COPD  PRISm 
  
  Healthy 
  control 
  participants 
  
  Figure 2 – Box plot demonstrating dyspnea impact according to 
  spirometry disease classiﬁcation. The center line marks the median. The 
  boxes span the interquartile range (IQR). The outer fences are set at 
  distances 1.5 (cid:4) IQR from the box. Outliers appear as plotted dots.  After adjusting for age, sex, and BMI, dyspnea was 
  associated with an increased likelihood of annual visits 
  to health care providers for respiratory complaints (OR, 