Table 4. Asbestosis: Underlying cause of death SMRs^a in the Libby, Montana Mortality Study 1979–2011.

	All cases			Non-worker cases
	Total (n=694)	Males	Females	Total (n=607)	Males	Females
Observed	59	45	14	31	17	14
Expectedb	0.58	0.55	0.02	0.58	0.55	0.02
SMR	102.47	81.11	667.13	53.84	30.64	667.13
CIc	78.0–132.19	59.16–108.54	364.42–1119	36.58–76.43	17.84–49.07	364.42–1119

^aSMRs standardized for age. Statistically significant results in bold.

^bExpected values rounded to second decimal point, hand calculations may not yield SMR results to the same level of accuracy that is presented here.

^c95% confidence interval.