Table 1. Baseline anthropometric and clinical characteristics of the study sample.

Characteristic	N = 104
Male gender, n (%)	63 (60.6)
Age (years), median (IQR)	63 (52.5 to 69.0)
Body weight at diagnosis (kg), median (IQR)	63 (53.0 to 70.7)
Patient awareness of WL, n (%)	67 (64.4)
Smoking status, n (%)
Non-smoker	18 (17.3)
Former smoker	51 (49.0)
Current smoker	35 (33.7)
Total WL, median (IQR)	−6.0% (−12.9% to 0%)
WL per month, median (IQR)	−1.0% (−2.1% to 0%)
WL in 6 months, median (IQR)	−6.0% (−12.4% to 0%)
WL in 6 months ≥ 5%, n (%)	59 (56.7)
WL in 6 months ≥ 10%, n (%)	36 (34.6)
WL in 6 months ≥ 15%, n (%)	22 (21.2)
ECOG PS, median (IQR)	2 (1 to 3)
Tumor cell type, n (%)
Adenocarcinoma	57 (54.8)
Squamous cell carcinoma	36 (34.6)
Mixed or undefined histology	11 (10.6)
Main treatment, n (%)
Chemotherapy	63 (60.6)
Supportive care only	10 (9.6)
Radiation therapy	44 (42.3)

IQR: interquartile range; WL: weight loss; and ECOG-PS: Eastern Cooperative Oncology Group performance status.