. Author manuscript; available in PMC: 2014 Aug 1.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2013 May 22;86(5):10.1016/j.ijrobp.2013.04.010. doi: 10.1016/j.ijrobp.2013.04.010

Table 4.

Risk of stomach cancers occurring in the body and distal stomach sites ^*

Dose Category (Gy)	Mean^† Dose (Gy)	Cases	Controls	Odds Ratio	95% CI
Dose Category (Gy)	Mean^† Dose (Gy)	N=131	N=251	Odds Ratio	LL	UL
0	0.00	7	23	1.00	ref
>0.0–0.99	0.61	10	24	1.54	0.49	5.00
1.0–1.99	1.49	36	61	2.18	0.82	6.36
2.0–2.99	2.43	33	71	1.56	0.59	4.55
3.0–3.99	3.4	15	43	1.29	0.41	4.19
4.0–4.99	4.39	9	12	4.48	1.06	20.3
≥5.00	11.04	16	11	7.99	2.22	32.4
P trend				0.003^‡
Unknown dose	--	5	6	3.52	0.74	17.2

Abbreviations: Gy, gray; CI, confidence interval; LL, lower limit; UL, upper limit, EOR, excess odds ratio

Body and distal sites include 29 body, 1 fundus/body, 50 antrum, 12 pylorus, 6 antrum/pylorus, 1 antrum/body, 4 entire stomach, 1 multifocal, 1 anterior wall, 18 lesser curvature and 8 greater curvature, and excludes 20 cardia, 5 fundus, 3 gastroesophageal junction, 2 stump, and 40 unknown stomach site (1 overlapping and 39 unknown).

^†

Mean dose to stomach cancer site

^‡

EOR/Gy=0.281, 95% CI 0.04–1.08