Table 4.
Univariate and multivariate logistic regression analyses of the association between AHA and RA when patients with non-RA were used as a subject
| Variable | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | |
| Age | 1.01 (0.98–1.03) | 0.62 | 1.00 (0.97–1.03) | 0.89 |
| Gender | 0.78 (0.32–1.91) | 0.58 | 0.57 (0.21–1.54) | 0.27 |
| AHA1 | 1.00 (0.99–1.01) | 0.22 | 1.00 (0.99–1.00) | 0.90 |
| AHA3 | 1.08 (1.03–1.12) | 3.3 × 10−4 | 1.08 (1.03–1.13) | 9.9 × 10−4 |
| AHA5 | 1.01 (0.99–1.01) | 0.10 | 1.00 (0.99–1.02) | 0.41 |
| AHA7 | 1.05 (0.98–1.12) | 0.15 | 0.98 (0.90–1.08) | 0.73 |
The numbers of patients with RA and non-RA were 59 and 61, respectively. All of non-RA patients including six patients with Sjogren’s syndrome (3 primary and 6 secondary) did not show persistent destructive polyarthritis, namely RA-like symptom or sign