Fig. 4

Conditional quantile-quantile plot. The dashed line indicates the expected line under the null hypothesis, and the deflection to the left indicates the degree of pleiotropic enrichment. (A) IBD-IC. (B) IC-IBD. (C) CD-IC. (D) IC-CD. (E) UC-IC. (F) IC-UC. IC, iridocyclitis; IBD, inflammatory bowel disease; CD, Crohn’s disease; UC, ulcerative colitis