MUC5B and rheumatoid arthritis: Among all individuals in the dataset, the MUC5B promoter variant rs35705950 was associated with ILD with a HR of 2.44 (2.22–2.68, p=3.87×10−77), and among patients with RA, with a HR of 2.27 (1.75–2.95, p=8.15×10−10).