Table 1.

Domains and measures accessed by CGA before and after treatment

Domain with measure	No. of items	Range of score
Quality of life and specific module for EC
EORTC QLQ-C30 (Version 3.0) [34]	30	30–126
QLQ-OES-18 [35]	18	18–72
Functional status
ECOG performance status [36]		0–5
Karnofsky performance status [37]		0–100
Activities of daily life (Barthel index) [38]	10	0–100
Instrumental activities of daily life (Lawton’s) [39]	8	0–5/8
Comorbidity
Charlson comorbidity index [40]	19	0–37
Cognitive status
Mini Mental State Examination [41]	11	0–30
Psychological status
Geriatric depression scale-5 items [42]	5	0–5
Nutritional status
Body mass index [43]
Mini-nutritional assessment [44]	18	0–100
Social support
Medical Outcomes Study - social support survey [45]	20	20–100

CGA comprehensive geriatric assessment, EC esophageal cancer, ECOG Eastern Cooperative Oncology Group, EORTC The European Organization for Research and Treatment of Cancer, MOS Medical outcomes study