Evaluation of PD-L1 Expression in Tumor Tissue of Patients with Lung Carcinoma and Correlation with Clinical and Demographic Data

Table 1

Demographic characteristics.

Variable	Category		(%)
Age	<60 years	81	45.8
	>60 years	96	54.2
Sex	Female	66	37.3
	Male	111	62.7
Ethnicity	White	140	79.1
	Non-white	32	18.1
	Ignored	5	2.8
ECOG	0	86	48.6
	1	46	26
	Other	6	3.38
	Ignored	39	22.02
Smoking	Absent	39	22
	Active	57	32.2
	Past	79	44.6
	Ignored	2	1.1
Alcohol consumption	No	96	54.2
	Active	45	25.4
	Past	18	10.2
	Ignored	18	10.2

ECOG: Eastern Cooperative Oncology Group performance status.