Table 1.

Number of people, person-years of observation, solid cancer deaths, and incident cancer cases in the LSS cohort with known doses

Weighted colon dose (DS02R1), Gy	Mortality						Incidence
	All Japan						Hiroshima/Nagasaki
	1950–2009			1958–2009			1958–2009
	People	PY	Deathsa	Peopleb	PY	Deathsa	Peopleb	PYc	Casesd
Both sexes
NIC	26,528	1,082,559	3,921	25,239	928,404	3,705	25,239	760,062	5,222
Distal	25,176	1,009,190	3,586	23,165	833,095	3,290	23,165	666,327	4,851
<5	13,818	566,131	1,950	12,813	468,946	1,793	12,813	364,173	2,519
−0.1	29,658	1,203,042	4,207	27,511	994,564	3,829	27,511	806,239	5,674
−0.25	7,649	305,441	1,127	7,091	251,466	1,032	7,091	205,952	1,548
−0.5	4,744	188,785	767	4,429	155,217	714	4,429	126,679	1,083
−1	3,383	136,174	604	3,136	112,233	554	3,136	88,814	889
−2	1,682	66,447	393	1,565	54,451	373	1,565	42,190	560
2+ and K≤4	266	10,641	74	244	8,723	70	244	6,604	100
2+ and K>4e	282	10,034	61	251	8,104	59	251	6,259	92
Total	113,186	4,578,443	16,690	105,444	3,815,203	15,419	105,444	3,073,298	22,538
Males
NIC	11,145	428,969	2,005	10,488	361,766	1,898	10,488	287,500	2,560
Distal	10,699	400,276	1,792	9,639	326,276	1,650	9,639	251,092	2,359
<5	5,435	211,979	925	4,935	174,219	844	4,935	127,189	1,093
−0.1	12,249	471,927	2,029	11,175	386,590	1,848	11,175	301,768	2,635
−0.25	3,022	113,202	487	2,736	92,157	445	2,736	73,094	635
−0.5	1,840	69,122	350	1,697	56,241	331	1,697	44,481	461
−1	1,412	51,210	285	1,282	41,437	263	1,282	32,138	382
−2	778	28,655	189	716	23,173	179	716	17,804	254
2+ and K≤4	130	4,736	34	115	3,833	33	115	2,887	44
2+ and K>4e	144	4,785	34	127	3,811	33	127	2,860	50
Total	46,854	1,784,861	8,130	42,910	1,469,502	7,524	42,910	1,140,812	10,473
Females
NIC	15,383	653,590	1,916	14,751	566,638	1,807	14,751	472,562	2,662
Distal	14,477	608,914	1,794	13,526	506,819	1,640	13,526	415,236	2,492
<5	8,383	354,152	1,025	7,878	294,727	949	7,878	236,985	1,426
−0.1	17,409	731,115	2,178	16,336	607,974	1,981	16,336	504,471	3,039
−0.25	4,627	192,239	640	4,355	159,310	587	4,355	132,858	913
−0.5	2,904	119,663	417	2,732	98,976	383	2,732	82,198	622
−1	1,971	84,964	319	1,854	70,795	291	1,854	56,676	507
−2	904	37,791	204	849	31,279	194	849	24,386	306
2+ and K≤4	136	5,904	40	129	4,890	37	129	3,717	56
2+ and K>4e	138	5,248	27	124	4,293	26	124	3,399	42
Total	66,332	2,793,582	8,560	62,534	2,345,701	7,895	62,534	1,932,486	12,065

Note. LSS, Life Span Study. PY, person-years. NIC, residents of Hiroshima and Nagasaki not in city at the time of the bombing. Distal, in-city survivors located ≥3,000 m from the hypocenter. K, total shielded kerma.

^aSolid cancer deaths.

^b7,458 subjects who died before Jan 1, 1958 and 284 subjects known to have cancer prior to Jan 1, 1958 were excluded.

^cPY adjusted for probability of migration.

^dIncident solid cancers excluding “autopsy only” cases.

^eIndividuals with total shielded kerma >4 Gy.