Table I.

Observed and expected solid cancer deaths 1950-2000 by dose group for Japanese A-bomb survivors with DS02 dose estimates.

Weighted Colon Dose Category (Sv)	Subjects	Person years	Solid Cancer Deaths	Expected background	Fitted Excess
< 0.005	38,507	1,415,830	4,270	4,282	2
0.005 – 0.1	29,960	1,105,214	3,387	3,313	44
0.1 – 0.2	5,949	218,670	732	691	41
0.2 – 0.5	6,380	232,408	815	736	99
0.5 – 1	3,426	125,243	483	378	116
1 – 2	1,764	64,689	326	191	113
2+	625	22,302	114	56	64
Total	86,611	3,184,356	10,127	9,647	479

From Preston et al. 2004, with permission.