Mortality in Libby cohort of vermiculite miners exposed to fibrous tremolite (n = 406) (reference: US white males)
| ICD9 | Deaths to July 1983 | Deaths since July 1983* | Total | ||||
|---|---|---|---|---|---|---|---|
| Observed | SMR | Observed | SMR | Observed | SMR (95% CI)† | ||
| *To 1 January 1999. | |||||||
| †95% confidence interval (exact Poisson). | |||||||
| Respiratory cancers | 160–165 | 23 | 2.45 | 21 | 2.35 | 44 | 2.40 (1.74 to 3.22) |
| All other cancers | 140–208, 230–239, excl 160–165 | 20 | 1.09 | 19 | 1.29 | 39 | 1.18 (0.84 to 1.61) |
| NMRD | 010–018, 460–519 | 21 | 2.55 | 30 | 3.63 | 51 | 3.09 (2.30 to 4.06) |
| Circulatory disease | 390–459 | 65 | 0.87 | 39 | 1.11 | 104 | 0.95 (0.77 to 1.15) |
| External | 800–998 | 23 | 1.87 | 3 | 1.03 | 26 | 1.71 (1.12 to 2.50) |
| All causes | 165 | 1.17 | 120 | 1.43 | 285 | 1.27 (1.13 to 1.43) | |
| (incl. mesothelioma) | 4 | (PMR = 2.4%) | 8 | (PMR = 6.7%) | 12 | (PMR = 4.2%) | |