Table 2.
Cause specific mortality among RF(+) RA subjects.
| Cause | No. Observed Events |
Expected No. Events |
SMR (95% Confidence Intervals) |
|---|---|---|---|
| All Causes* | 260 | 143.2 | 1.81 (1.60, 2.05) |
| Circulatory System | 97 | 64.7 | 1.50 (1.22, 1.83) |
| Respiratory System | 42 | 12.0 | 3.49 (2.51, 4.72) |
| Neoplasms | 39 | 35.0 | 1.12 (0.79, 1.52) |
| Musculoskeletal | 18 | 0.8 | 21.4 (12.7, 33.9) |
| Digestive System | 11 | 4.7 | 2.35 (1.17, 4.21) |
| Genitourinary System | 10 | 2.4 | 4.20 (2.01, 7.73) |
| Injury and Poisoning | 7 | 3.6 | 1.94 (0.78, 4.00) |
| Mental | 6 | 3.2 | 1.85 (0.67, 4.02) |
| Endocrine | 5 | 4.4 | 1.13 (0.37, 2.63) |
| Infectious and Parasitic | 5 | 1.2 | 4.10 (1.33, 9.56) |
| Hematological | 4 | 0.55 | 7.27 (1.98, 18.62) |
| Nervous System | 4 | 4.1 | 0.98 (0.27, 2.50) |
*
Includes 11 deaths of unknown cause and 1 death due to congenital abnormality