Table 2.
No. of observed deaths | SMR (95% CI) | |||||||
---|---|---|---|---|---|---|---|---|
EIA | 2010 RA criteria positive | 2010 RA criteria negative | RF/ACPA positive | EIA | 2010 RA criteria positive | 2010 RA criteria negative | RF/ACPA positive | |
All cause | ||||||||
Cohort 1 | 141 | 91 | 28 | 55 | 1.21 (1.02–1.41) | 1.18 (0.96–1.45) | 0.99 (0.69–1.44) | 1.54 (1.18–2.00) |
Cohort 2 | 123 | 75 | 36 | 44 | 1.17 (0.98–1.40) | 1.30 (1.04–1.63) | 0.89 (0.64–1.23) | 1.25 (0.93–1.68) |
Cohort 3 | 82 | 44 | 25 | 36 | 1.06 (0.85–1.32) | 1.19 (0.89–1.60) | 0.84 (0.57–1.24) | 1.39 (1.00–1.92) |
Total | 346 | 210 | 89 | 135 | 1.16 (1.04–1.29) | 1.22 (1.07–1.40) | 0.90 (0.73–1.11) | 1.39 (1.18–1.65) |
Cardiovascular | ||||||||
Cohort 1 | 58 | 36 | 9 | 29 | 1.16 (0.90–1.50) | 1.11 (0.80–1.54) | –* | 1.87 (1.30–2.69) |
Cohort 2 | 45 | 26 | 15 | 12 | 1.07 (0.80–1.43) | 1.13 (0.77–1.66) | 0.92 (0.55–1.52) | –* |
Cohort 3 | 29 | 15 | 9 | 10 | 1.02 (0.71–1.47) | 1.19 (0.72–1.98) | –* | –* |
Total | 132 | 77 | 33 | 51 | 1.09 (0.92–1.30) | 1.13 (0.91–1.42) | 0.85 (0.60–1.19) | 1.31 (1.00–1.73) |
SMR = standardized mortality ratio; 95% CI = 95% confidence interval; EIA = early inflammatory arthritis; RA = rheumatoid arthritis; RF = rheumatoid factor; ACPA = anti–citrullinated protein antibody.
Too few events to calculate the SMR.