Table 3.
Life Span Study | INWORKS | |||||||
---|---|---|---|---|---|---|---|---|
5-year lagged colon dose (mGy) | Mean colon dose | Person-years (/103) | Observed deaths | Fittedb excess deaths | Mean colon dosea | Person-years (/103) | Observed deaths | Fittedb excess deaths |
< 5 | 1.0 | 650.5 | 3414 | 1.3 | 1.0 | 3842.5 | 8274 | 3.0 |
5–20− | 10.5 | 241.6 | 1258 | 5.1 | 10.7 | 1220.3 | 3717 | 12.0 |
20–60− | 36.8 | 182.4 | 945 | 13.4 | 34.7 | 680.4 | 2309 | 23.6 |
60–100− | 78.3 | 84.3 | 452 | 13.1 | 77.0 | 200.3 | 794 | 17.1 |
100–200− | 143.1 | 107.6 | 595 | 31.6 | 138.0 | 160.8 | 738 | 28.0 |
200–300− | 249.2 | 54.1 | 309 | 26.6 | 241.0 | 45.7 | 247 | 17.7 |
300–500− | 389.5 | 61.9 | 342 | 47.8 | 370.3 | 23.4 | 156 | 16.3 |
500–1,000− | 697.0 | 59.7 | 371 | 77.4 | 617.5 | 4.7 | 43 | 6.2 |
≥ 1,000 | 1576.5 | 38.2 | 296 | 104.7 | 1125.8 | 0.2 | 1 | 0.5 |
aCumulative
bUnder a simple linear excess relative rate model (weighted average over sex for the LSS with a weight of 0.88 for males and 0.12 for females, no modifying effect of age)