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

Table 4 Cox proportional hazards model for cancer death among lower esophageal and GCA patients overall (Model 1) and among SAC patients who did or did not receive surgery (Model 2)

	Model 1						Model 2
	Lower esophagus (n = 164)			Gastric-cardia (n = 241)			Stomach
	With & Without surgery			With & Without surgery			No surgery (n = 461)			With surgery (n = 490)
Characteristic	HR	95% CI	P	HR	95% CI	P	HR	95% CI	P	HR	95% CI	P
Age & co-morbidity			0.02			0.44			0.97			0.01
< 70, Charlson score = 0	1			1			1			1
< 70, Charlson score = 1	2.7	1.4-5.2		1	0.4-2.1		0.9	0.6-1.4		2	1.1-3.7
70+, Charlson score = 0	1.5	0.9-2.6		1.4	0.9-2.3		0.9	0.6-1.4		1.5	0.9-2.5
70+, Charlson score = 1	1.5	0.7-3.3		1.1	0.5-2.4		1	0.6-1.6		2.4	1.4-4.0
Race			< 0.001			0.08			0.39			0.003
Non-Hispanic White	1			1			1			1
Non-Hispanic Black	3.4	1.8-6.7		0.8	0.5-1.2		1.1	0.8-1.5		1.1	0.6-1.7
Hispanic	1	0.5-2.0		1.3	0.8-2.2		0.8	0.5-1.2		1.3	0.8-2.1
Asian/Pacific Islander	6.4	2.9-14.4		0.4	0.2-1.0		0.9	0.6-1.2		0.5	0.3-0.9
Gender			0.78			0.87			0.84			0.18
Male	1			1			1			1
Female	0.9	0.6-1.5		1	0.6-1.4		1	0.8-1.4		0.8	0.5-1.1
Marital Status			0.43			0.01			0.39			0.33
Not married	1			1			1			1
Married	0.8	0.5-1.3		0.6	0.4-0.9		1.2	0.8-1.6		1.2	0.8-1.9
Stage			< 0.001			< 0.001			0.004			< 0.001
Stage I-III	1			1			1			1
Stage IV & unknown	2.5	1.5-4.2		2.6	1.6-4.0		1.7	1.2-2.3		5	3.4-7.4
Differentiation grade			0.11			0.049			0.01			0.14
Well/Moderately	1			1			1			1
Poorly/Undifferentiated	1.8	1.0-3.3		1.7	1.1-2.6		1.8	1.2-2.6		1.4	0.9-2.2
Unknown	1.7	0.9-3.2		1.3	0.6-2.8		1.5	1.0-2.3		0.7	0.3-1.7
Chemotherapy			0.09			0.68			< 0.001			0.12
No	1			1			1			1
Yes	0.6	0.4-1.1		1.1	0.7-1.8		0.6	0.4-0.8		0.7	0.5-1.1