Table 6.
Excess deaths from leukemia* per categories of 5-year lagged dose in subsets of the Life Span Study and INWORKS
| Life Span Study |
INWORKS |
|||||||
|---|---|---|---|---|---|---|---|---|
| Dosea (mGy) | Mean RBM dose (mGy) | Person-years (/103) | Observed deaths | Fittedb excess deaths | Mean RBM dose (mGy) | Person-years (/103) | Observed deaths | Fittedb excess deaths |
| < 5 | 1.1 | 650.5 | 66 | 0.2 | 1.0 | 3842.5 | 237 | 0.8 |
| 5–20− | 11.9 | 241.6 | 28 | 0.8 | 9.7 | 1220.3 | 102 | 3.1 |
| 20–60− | 41.8 | 182.4 | 19 | 2.3 | 31.8 | 680.4 | 58 | 5.7 |
| 60–100− | 89.3 | 84.3 | 7 | 2.3 | 70.5 | 200.3 | 25 | 4.1 |
| 100–200− | 164.0 | 107.6 | 7 | 5.4 | 126.1 | 160.8 | 24 | 6.8 |
| 200–300− | 284.9 | 54.1 | 10 | 4.6 | 220.2 | 45.7 | 11 | 4.1 |
| 300–500− | 450.0 | 61.9 | 9 | 8.4 | 338.4 | 23.4 | 6 | 3.4 |
| 500–1000− | 807.6 | 59.7 | 15 | 13.8 | 564.2 | 4.7 | 1 | 1.0 |
| ≥1000 | 1857.6 | 38.2 | 35 | 19.7 | 1026.6 | 0.2 | 0 | 0.1 |
*
Excluding chronic lymphocytic leukemia in INWORKS
RBM red bone marrow
a
Cumulative dose in INWORKS
b
Under a simple linear excess relative rate model (the LSS estimates are weighted averages over sex with a weight of 0.88 for males and 0.12 for females, no modifying effect of age)