(b) The boxplots show the number of proteins quantified (y-axis) across various diagnoses (x-axis). The mean and 10-90 percentiles are shown; the dotted line marks 1000 proteins (IPF n=16, HP/EAA n=8, COP n=11, NSIP n=10, RB-IL, n=3, Sarcoidosis n=22, other ILDs n=25, non-IL, n=29). 