Table 2 Distribution of three clinical variables in high- and low-risk cases
From: A search for non-chromosome 6 susceptibility loci contributing to rheumatoid arthritis
|  | Mean (± SD) |  | |
|---|---|---|---|
| Â | High-risk cases | Low-risk cases | p-Value |
Sex ratio (Male:female) | 32.5% | 5.6% | 0.01 |
Anti-CCP | 195.4 (246.8) | 210.1 (162.4) | 0.74 |
Rheumatoid factor | 284.8 (438.1) | 546.0 (927.1) | 0.25 |