Table 3.
Multivariate logistic regression including genetic risk factors
| OR | 95% CI | P value | ||
|---|---|---|---|---|
| ACA | 0.15 | 0.03–0.63 | 0.010 | |
| ARA | 3.24 | 1.96–5.38 | <0.001 | |
| Diffuse | 2.21 | 1.22–4.00 | 0.009 | |
| HLA-DRB1*0407 | 3.21 | 1.27–8.08 | 0.013 | |
| HLA-DRB1*1304 | 4.51 | 1.30–15.68 | 0.018 | |
| Ethnicity | ||||
| White | 1 | |||
| African American | 1.22 | 0.61–2.44 | 0.571 | |
| Asian | 0.93 | 0.47–1.85 | 0.839 | |
| Hispanics | 1.91 | 0..21–17.59 | 0.567 | |
OR = odd ratio; 95% CI = 95% confidence interval; ACA = anti-centromere; ARA = anti-RNA polymerase III antibody.