Table 3

Male nickel employees (1954–95) (observed and expected deaths (based on rates for Canada) and SMRs (95% CI) by cause

Cause of death	Observed	Expected	SMR	95% CI
All causes	59	103.2	57	43 to 74
Neoplasms	13	27.4	47	25 to 81
Digestive cancer	2	7.6	26	3 to 94
Respiratory cancer	7	9.5	73	29 to 151
Bronchus and lung	6	8.9	67	24 to 146
Lymphoid cancer	3	1.6	184	37 to 537
Multiple myeloma	2	0.4	494	55 to 1782
Circulatory disease	22	38.3	57	36 to 87
Ischaemic heart disease	16	27.0	59	34 to 96
Disease of arteries	2	1.8	108	12 to 391
Aortic aneurysm	2	1.0	200	22 to 722
Respiratory disease	2	6.0	33	4 to 119
Digestive disease	4	4.5	88	24 to 224
Accidents, poisonings, and violence	12	17.0	70	36 to 123
Ill defined symptoms	2	1.3	152	17 to 549