Multicenter analysis on the value of standard (chemo)radiotherapy in elderly patients with locally advanced adenocarcinoma of the esophagus or gastroesophageal junction

Table 1 Tumor and patient characteristics at baseline

Variable	Value	n	%
Gender	male	72	83.7
Gender	female	14	16.3
Age	65–74 years	50	58.1
	75–84 years	28	32.6
	≥ 85 years	8	9.3
ECOG	0	30	34.9
	1	43	50.0
	2	13	15.1
Localization (distance from incisors)	Cervical (15–18 cm)	1	1.2
	Upper thoracic (18–24 cm)	2	2.3
	Middle thoracic (24–32 cm)	19	22.1
	Lower thoracic (32–approximate 40 cm)	64	74.4
cT-stage	T1	2	2.3
	T2	12	14.0
	T3	62	72.1
	T4	10	11.6
cN-stage	N0	18	20.9
cN-stage	N +	68	79.1
M-stage	M0	86	100
M-stage	M1	0	0
AJCC-stage	1	0	0
	2	7	8.1
	3	58	67.4
	4a	21	24.4
Grading	G1	2	2.3
	G2	45	52.3
	G3	32	37.2
	G4	2	2.3
	Gx	5	5.8
CCI	≤ 5	23	26.7
	> 5	62	72.1
	NA	1	1.2

Staging of the esophageal or gastroesophageal adenocarcinomas was based on the versions of the TNM classification (Union for International Cancer Control [UICC]) and the clinical stages of the American Joint Committee on Cancer (AJCC) that were current at the time of first diagnosis (i.e., 6th, 7th or 8th edition of the UICC-AJCC TNM classification)
ECOG Eastern Cooperative Oncology Group, AJCC American Joint Committee on Cancer, CCI Charlson Comorbidity Index, NA not analyzable

ISSN: 1748-717X