Table 1: Demographic information regarding RA patients and healthy controls. The mean age of RA patients was significantly higher than that of controls (independent samples t-test). There was no significant difference in gender distribution between RA patients and controls (Chi-Square test). Abbreviations: SD: Standard Deviation; NS: Not Significant, ** = p < 0.01.
| Cohort | Control (n = 23) | RA (n = 86) | p value (control vs RA) |
| % Female | 60.9% | 73.3% | P = 0.368 NS |
| Mean age (SD) | 46 years (13.29) | 60 years (11.79) | P < 0.0001** |