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Incident dementia by decade for the 897 incident RA and 885 non-RA referents
| Total (Dementia Events) | Hazard Ratio (95% CI) * | |||
|---|---|---|---|---|
| Decade | RA | Non-RA | RA | Non-RA |
| 1980–1989 | 198 (34) | 196 (36) | Ref | Ref |
| 1990–1999 | 298 (44) | 291 (34) | 0.86 (0.54,1.36) | 0.75 (0.45,1.23) |
| 2000–2009 | 401 (26) | 398 (30) | 0.66 (0.38,1.16) | 0.97 (0.56,1.68) |
CI = confidence interval, RA = rheumatoid arthritis, ref = reference
From cox models adjusting for age and sex
