Table 5.
Sensitivity analysis of incident dementia by decade adjusting for prior cardiovascular disease events (myocardial infarction or stroke), cardiovascular risk factors (hypertension, diabetes mellitus, dyslipidemia) and education level
| Hazard Ratio (95% Confidence Interval) * | |||
|---|---|---|---|
| Decade | RA (N=897) | Non-RA (N=885) | RA vs. Non-RA |
| 1980–1989 | Ref | Ref | 1.57 (0.94,2.62) |
| 1990–1999 | 0.89 (0.56,1.44) | 0.79 (0.47,1.31) | 1.79 (1.13,2.85) |
| 2000–2009 | 0.68 (0.38,1.21) | 1.10 (0.62,1.96) | 0.84 (0.49,1.46) |
CI = confidence interval, RA = rheumatoid arthritis, ref = reference
Adjusting for age, sex, education level, and time-dependent adjustment for myocardial infarction, stroke, hypertension, diabetes mellitus and dyslipidemia prior to RA incidence/index or at any time during follow-up