Table 1.

Baseline Characteristics at Surgery by Smoking Status in Patients With Esophageal Adenocarcinoma

Characteristic	Overall (N = 778)		Never Smokers(n = 236)		Ever Smokers(n = 542)		P
	No.	%	No.	%	No.	%
Sex
Male	692	89	192	81	500	92	< .001
Female	86	11	44	19	42	8
Age, years							< .001
Median	65		68		64
Range	22–89		22–89		30–88
Stage
IIIC	127	17	38	16	89	17	.138
IIIB	173	23	56	24	117	22
IIIA	160	21	40	17	120	23
IIB	144	19	55	24	89	17
IA to IIA	156	20	44	19	112	22
Grade
4	300	39	84	36	216	41	.225
1 to 3	467	61	150	64	317	59
Weight loss in the year preceding surgery
≥ 10%	174	22	60	25	114	21	.177
< 10%	604	78	176	75	428	79
Body mass index
Obese	171	22	46	19	125	23	.192
Overweight	348	45	117	50	231	43
Normal	259	33	73	31	186	34