Observed deaths, expected deaths, and SMRs for cancer of the pancreas, all United States workers, 1950–94, local county comparisons, two lowest exposure groups combined
| Cumulative exposure (mg/m3.y) | Obs | Exp | SMR | 95% CI |
| <0.001 | 30 | 37.50 | 0.80 | 0.54 to 1.14 |
| 0.001–0.29 | 5 | 3.82 | 1.31 | 0.35 to 3.05 |
| >0.30 | 9 | 3.98 | 2.26 | 1.03 to 4.29 |









