Table 2A.

Sex-adjusted SMR (CI) for the UCD when AS was an NUCD.

Variables	Age 25–54 Yrs		Age 55–64 Yrs		Age 65–74 Yrs		Age 75 and Over Yrs
Variables	SMR (CI)	p	SMR (CI)	p	SMR (CI)	p	SMR (CI)	p
Infectious diseases	1.52 (0.76–2.73)	0.28	2.46 (1.34–4.12)	0.001	2.19 (1.35–3.34)	< 0.001	1.31 (0.83–1.99)	0.24
Neoplasm	0.27 (0.18–0.39)	< 0.001	0.28 (0.21–0.36)	< 0.001	0.33 (0.26–0.41)	< 0.001	0.51 (0.42–0.61)	< 0.001
Disease of circulatory system	1.31 (0.99–1.7)	0.054	1.21 (0.98–1.48)	0.07	0.82 (0.69–0.96)	0.016	0.66 (0.58–0.74)	< 0.001
Disease of respiratory system	2.61 (1.55–4.12)	< 0.001	2.26 (1.56–3.17)	< 0.001	2.15 (1.7–2.69)	< 0.001	1.47 (1.22–1.76)	< 0.001
External cause	0.76 (0.55–1.03)	0.088	1.53 (1.13–2.03)	0.003	1.96 (1.52–2.5)	< 0.001	1.72 (1.37–2.12)	< 0.001

SMR: standard mortality ratio; UCD: underlying cause of death; AS: ankylosing spondylitis; NUCD: nonunderlying cause of death.