Age-adjusted SMR (CI) for the UCD when AS was an NUCD.
| Variables | Men | Women | Total | |||
|---|---|---|---|---|---|---|
| SMR (CI) | p | SMR (CI) | p | SMR (CI) | p | |
| Infectious diseases | 1.6 (1.19–2.11) | < 0.001 | 2.33 (1.36–3.73) | < 0.001 | 1.74 (1.35–2.2) | < 0.001 |
| Neoplasm | 0.38 (0.33–0.43) | < 0.001 | 0.23 (0.15–0.33) | < 0.001 | 0.36 (0.32–0.41) | < 0.001 |
| Disease of circulatory system | 0.85 (0.77–0.93) | < 0.001 | 0.69 (0.56–0.84) | < 0.001 | 0.81 (0.74–0.88) | < 0.001 |
| Disease of respiratory system | 1.69 (1.47–1.94) | < 0.001 | 1.54 (1.1–2.1) | 0.007 | 1.79 (1.57–2.02) | < 0.001 |
| External cause | 1.42 (1.23–1.63) | < 0.001 | 1.33 (0.93–1.83) | 0.1 | 1.42 (1.25–1.61) | < 0.001 |
SMR: standard mortality ratio; UCD: underlying cause of death; AS: ankylosing spondylitis; NUCD: nonunderlying cause of death.