MMP1 and idiopathic pulmonary fibrosis: Yes (IPF vs. other ILDs)MMP-1 higher in IPF vs. non-IPF-UIPOptimal cutoff for IPF vs. ther ILDs:MMP-1: 4.15 ng/mL AUC 0.63MMP-7: 3.91 ng/mL, AUC 0.73Combination: AUC 0.74