AML by Cumulative Benzene Exposure in a Cohort of Pliofilm Workers
| Cumulative Exposure in ppm-years . | Observed Deaths . | Expected Deaths . | Standardized Mortality Ratios . | 95% CI . | ||||
|---|---|---|---|---|---|---|---|---|
| <40 | 1 | 0.84 | 1.19 | 0.03-6.63 | ||||
| 40-200 | 0 | 1 | 0.25 | 1.09 | 0 | 0.91 | 0.0-14.75 | 0.02-5.11 |
| 200-400 | 2 | 0.07 | 27.21* | 3.29-98.24 | ||||
| 400+ | 3 | 0.03 | 98.37* | 20.28-287.65 | ||||
| Totals | 6 | 1.19 | 5.03* | 1.84-10.97 | ||||
| Cumulative Exposure in ppm-years . | Observed Deaths . | Expected Deaths . | Standardized Mortality Ratios . | 95% CI . | ||||
|---|---|---|---|---|---|---|---|---|
| <40 | 1 | 0.84 | 1.19 | 0.03-6.63 | ||||
| 40-200 | 0 | 1 | 0.25 | 1.09 | 0 | 0.91 | 0.0-14.75 | 0.02-5.11 |
| 200-400 | 2 | 0.07 | 27.21* | 3.29-98.24 | ||||
| 400+ | 3 | 0.03 | 98.37* | 20.28-287.65 | ||||
| Totals | 6 | 1.19 | 5.03* | 1.84-10.97 | ||||
Data from Wong.52
P < .01. }