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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Radiat Res. 2021 Jan 1;195(1):66–76. doi: 10.1667/RR15481.1

TABLE 3.

Observed and Fitted Incident Prostate Cancer Cases:a LSS, AHS Participants and Non-participants, 1958–2009

Dose category (Gy) Men Person-years Cases Fitted casesa
 Attributable fractionb
Background Excess
Not in either city 10,209 197,194 190 190    0.0
<0.005 14,088 250,479 286 274.4   0.1
−0.1 10,787 195,941 211 216.6   4.1   2%
−0.2   2,087   38,351   45   42.8   3.5   8%
−0.5   2,201   39,803   52 43   7.9 16%
−1   1,245   22,570   33 26 10.7 29%
−2    714   12,656   29   13.6 10.4 44%
2+    223  3,534  5  3.8   3.4 48%
Total 41,554 760,508 851 810 40.0 11%
a

Estimated background and fitted excess cases based on an ERR model including age and period effects.

b

Fraction attributable to radiation exposure among those with doses in excess of 0.005 Gy.