Treatment and survival in a population-based sample of patients diagnosed with gastroesophageal adenocarcinoma

Table 3 Therapy among patients with gastroesophageal adenocarcinoma by anatomic site, 2001: Multinomial logistic regression for the receipt of chemoradiation (Chemo + RT) and chemotherapy alone

Site characteristic	Lower esophagus					Gastric-cardia					Stomach
	Chemo + RT		Chemo			Chemo + RT		Chemo			Chemo + RT		Chemo
	OR	95% CI	OR	95% CI	P	OR	95% CI	OR	95% CI	P	OR	95% CI	OR	95% CI	P
Age					0.05					< 0.001					< 0.001
< 70	1		1			1		1			1		1
≥ 70	0.3	0.1-0.96	0.2	0.03-0.9		0.2	0.1-0.4	0.3	0.1-0.7		0.2	0.1-0.4	0.2	0.1-0.3
Race/ethnicity					0.33					0.64					0.24
Non-hispanic white	1		1			1		1			1		1
Non-hispanic black	1.1	0.1-10.2	0.9	0.1-14.5		0.5	0.1-1.7	1	0.2-6.7		1.3	0.6-2.5	0.6	0.3-1.0
Hispanic	0.1	0.01-0.9	0.3	0.02-3.6		0.4	0.1-1.6	1.6	0.3-7.4		1.2	0.6-2.5	0.6	0.3-1.4
Asian/Pacific Islander						0.5	0.1-1.9	1.4	0.4-4.9		1.7	0.9-3.4	0.8	0.4-1.4
Gender					0.32					0.01					0.64
Male	1		1			1		1			1		1
Female	1.2	0.5-3.3	0.3	0.04-2.1		1.2	0.4-3.3	0.3	0.1-0.8		1.3	0.8-2.1	1.1	0.7-1.8
Marital status					0.28					0.86					0.74
Not married	1		1			1		1			1		1
Married	2.1	0.7-6.5	1	0.3-3.9		1	0.4-2.6	1.4	0.4-4.6		1.2	0.7-2.0	1.2	0.7-1.9
Stage					0.12					0.01					< 0.001
I-III	1		1			1		1			1		1
IV & unknown	1	0.4-2.7	3.6	0.9-13.6		0.7	0.3-1.7	3.	1.3-11.4		0.6	0.4-0.9	5.2	3.0-8.8
Differentiation grade					0.57					0.36					0.38
Well/Moderately differentiated	1		1			1					1		1
Poorly/Undifferentiated	1.2	0.4-3.6	0.9	0.2-3.7		0.8	0.3-1.9	1	0.3-3.1		1.3	0.7-2.2	1.3	0.7-2.5
Unknown	0.6	0.2-1.9	0.2	0.03-1.4		1.5	0.3-7.3	0.2	0.03-1.8		0.7	0.3-2.0	1.6	0.8-3.5
Charlson score					0.25					0.02					0.35
0	1		1			1		1			1		1
1+	2	0.6-6.7	0.6	0.1-3.1		0.4	0.1-1.3	0.1	0.02-0.6		0.7	0.4-1.2	0.9	0.5-1.7
H pylori					0.02					0.004					0.65
No	1		1			1		1			1		1
Yes	0.1	0.02-0.8	0.4	0.03-5.6		1	0.2-4.2	0.4	0.1-2.1		1.2	0.6-2.5	1.3	0.6-2.8
Unknown	0.1	0.03-0.4	0.2	0.03-0.8		0.2	0.1-0.7	0.8	0.3-2.3		1	0.6-1.7	1.5	0.9-2.5

Model also adjusted for registry.