Incidence of cardiovascular risk factors over follow-up in RA and non-RA patients
| Cardiovascular risk fctor | Rate per 100 person-years (no of cases) | Rate ratio (95% CI) | |
| RA | Non-RA | ||
| Hypertension | 3.67 (179) | 3.59 (215) | 1.02 (0.84 to 1.25) |
| Hyperlipidaemia | 2.71 (158) | 3.64 (228) | 0.75 (0.61 to 0.91) |
| High BMI (⩾30 kg/m2) | 0.47 (35) | 0.63 (54) | 0.75 (0.48 to 1.13) |
| Low BMI (<20 kg/m2) | 1.17 (83) | 0.65 (53) | 1.79 (1.28 to 2.54) |
| Diabetes mellitus | 0.79 (66) | 1.02 (98) | 0.78 (0.57 to 1.06) |
BMI, body mass index; RA, rheumatoid arthritis.