Results of interaction test for IL9R (rs3093457) in subgroups of the combined set 1 & 2 & 3.
| Male | Female | ||
|---|---|---|---|
| No. of cases | 55 | 382 | |
| Minor allele GRR (95% CI) | 3.75 (1.4–10.2) | 1.26 (0.8–1.9) | |
| Ratio of GRR (95% CI) | 2.98 (1.01–8.79) | ||
| p | 0.048 | ||
| a-CCP+ | a-CCP− | ||
| No. of cases | 209 | 72 | |
| Minor allele GRR (95% CI) | 1.76 (1.0–3) | 1.05 (0.3–3.1) | |
| Ratio of GRR (95% CI) | 0.6 (0.16–2.17) | ||
| p | 0.216 |
GRR: genetic relative risk. Male and female subgroups: family trios with male or female patients; a-CCP+ and a-CCP− subgroups: anti-CCP-positive and negative subgroups, i.e., family trios with anti-CCP-positive or negative patients.