Serum PCSK9 levels were measured in 80 patients with IBD and 24 controls (12 males 54.0 (22.9–78.1) years old; p = 0.432 compared to IBD patients) and 12 females (51.3 (23.4–65.6) years old; p = 0.220 compared to IBD patients). Here, PCSK9 is linked to inflammatory bowel disease.