The role of mucin variants was also supported with high significance of MUC2 rs7934606 among Germans [2.85 (5.05–1.60); 4.03 × 10−4] and combined European IPF cases [2.18 (3.16–1.50); 3.73 × 10−5]. This evidence concerns the gene MUC5AC and idiopathic pulmonary fibrosis.