Table 3. Standardised mortality ratios.

Cause of death	Observed deaths	Expected deaths	SMR	95% CI
All causes	645	610.0	1.06	0.98–1.14
All cancers	292	180.7	1.62***	1.44–1.81
Circulatory system	206	255.9	0.80**	0.70–0.92
Other non-cancer	147	173.4	0.85*	0.72–1.00

Abbreviations: CI=confidence interval; SMR=standardised mortality ratios.

***P<0.0001.

**P<0.01.

*P<0.05.