Figure 1. Increasing odds ratios for CD with increasing carriage of risk haplotypes.
Odds ratio for CD for the presence of 0, 1, 2, 3, 4 or 5 risk haplotypes from IL23R, IL17A, IL17RA, IL12RB1 and IL17RD. Proportion trend test p value = 1.7 × 10−7. For haplotype assignments, see Table 1.