Standardised mortality ratios for all cause and cardiovascular disease causes of mortality in the rheumatoid arthritis admissions group
| Cause of death | RA group | Women (n = 371): number of deaths | Men (n = 144): number of deaths | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Obs | Exp | SMR | 95% CI | Obs | Exp | SMR | 95% CI | ||
| CI, confidence interval; CVD, cardiovascular disease; Exp, expected; IHD, ischaemic heart disease; MI, myocardial infarction; Obs, observed; RA, rheumatoid arthritis; RF+/−, rheumatoid factor positive/negative; SMR, standardised mortality ratio. | |||||||||
| All-cause | All RA | 129 | 56.45 | 2.29 | 1.90 to 2.71 | 53 | 29.55 | 1.79 | 1.34 to 2.34 |
| RF+ | 93 | 38.37 | 2.42 | 1.96 to 2.97 | 40 | 19.30 | 2.07 | 1.48 to 2.82 | |
| RF− | 36 | 18.1 | 1.99 | 1.39 to 2.75 | 13 | 10.25 | 1.27 | 0.67 to 2.17 | |
| CVD | All RA | 68 | 24.50 | 2.77 | 2.15 to 3.51 | 32 | 13.3 | 2.40 | 1.64 to 3.39 |
| RF+ | 50 | 16.45 | 3.04 | 2.26 to 4.00 | 24 | 8.58 | 2.79 | 1.79 to 4.16 | |
| RF− | 18 | 8.06 | 2.23 | 1.32 to 3.53 | 8 | 4.72 | 1.69 | 0.72 to 3.34 | |
| IHD | All RA | 36 | 12.48 | 2.89 | 2.02 to 3.99 | 19 | 8.25 | 2.30 | 1.38 to 3.60 |
| RF+ | 27 | 8.46 | 3.19 | 2.10 to 4.65 | 13 | 5.42 | 2.40 | 1.27 to 4.10 | |
| RF− | 9 | 4.02 | 2.24 | 1.02 to 4.25 | 6 | 2.82 | 2.12 | 0.77 to 4.62 | |
| MI | All RA | 19 | 7.00 | 2.71 | 1.63 to 4.24 | 8 | 4.92 | 1.62 | 0.70 to 3.20 |
| RF+ | 15 | 4.75 | 3.15 | 1.76 to 5.20 | 6 | 3.26 | 1.83 | 0.67 to 4.00 | |
| RF− | 4 | 2.24 | 1.78 | 0.48 to 4.56 | 2 | 1.65 | 1.20 | 0.13 to 4.36 | |