nominally significantp -value = 0.038
MR pleiotropy residual sum and outlier (MR-PRESSO) test identified 5 outliers for IBD, 1 for RA and 2 outliers for vitiligo ( Table S10 ), whereas exclusion resulted in a nominally significant association for vitiligo (OR, 95% CI: 0.827, 0.691–0.989), p -value = 0.038; Figure 4 a).