TABLE 1.

Patient, tumor, and treatment characteristics of esophageal resections in LVH^a and HVH^b

Characteristics	LVH		HVH		P value
	No. of patients	%	No. of patients	%
Age (years)	65		64		.240
Range (years)	33–87		31–83
Gender					.072
Male	249	73	438	78
Female	93	27	123	22
Comorbidity					.078
No	142	42	273	49
1 organ system	111	32	179	32
2 organ systems	51	15	80	14
≥3 organ systems	11	3	27	5
Unknown	27	8	2	0
Histology					.039
Adenocarcinoma	238	69	347	62
Squamous	96	28	193	34
Barrett’s dysplasia	4	1	6	1
Other	2	1	14	3
Unknown	2	1	1	0
Tumor localization					.740
Cervical esophagus	7	2	14	3
Mid esophagus	53	15	86	15
Distal esophagus	114	33	204	36
Gastroesophageal junction	166	49	251	45
Unknown	2	1	6	1
Stage (pTNM)					<.001
0 and I	43	12	61	11
II	162	47	214	38
III	107	31	186	33
IV	21	6	94	17
Unknown	9	3	6	1
(Neo)-adjuvant treatment					<.001
None	316	92	464	83
Chemotherapy	17	5	93	17
Radiotherapy	0	0	2	0
Chemoradiation	4	1	0	0
Unknown	5	2	1	0
Surgical approach					<.001
Abdomino-cervical	150	44	466	83
Thoraco-abdominal	97	28	60	11
Abdomino-thoraco-cervical	43	13	17	3
Abdominal	52	15	18	3
Anastomoses					<.001
Cervical	195	57	541	96
Thoracic	91	27	8	2
Abdominal	56	16	8	2
Unknown	0	0	4	0
Total No. of patients	342		561

^a LVH, low-volume hospitals.

^b HVH, high-volume hospital.