Figure 4

CXCL1 concentrations were the highest in patients with IPAF who were experiencing, or expected to experience, acute exacerbations (AEs) in the next 6 months (n = 6).
The horizontal line from bottom to top denotes the minimum, 25th percentile, median, 75th percentile, and maximum. Mean values are denoted by “+”. *P < 0.05 and **P < 0.01 compared with the other cohort.