Table 2C.

Age- and sex-adjusted SMR (CI) for the UCD when AS was an NUCD.

Infectious diseases2.1 (1.46–2.91)< 0.001
Neoplasm0.43 (0.36–0.51)< 0.001
Disease of circulatory system1.06 (0.93–1.21)0.35
Disease of respiratory system1.66 (1.31–2.06)< 0.001
External cause1.91 (1.57–2.29)< 0.001
  • SMR: standard mortality ratio; UCD: underlying cause of death; AS: ankylosing spondylitis; NUCD: nonunderlying cause of death.