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

Table 6

PD-L1 expression in tumor cells and demographic data.

Variable	Categories	Negative		Positive		value
			(%)		(%)
Age	<60	43	43.4	30	44.8	0.864
	>60	56	56.6	37	55.2
Gender	Female	39	39.4	21	31.3	0.289
	Male	60	60.6	46	68.7
Race	Non-white	18	18.8	11	16.7	0.734
	White	78	81.2	55	83.3
ECOG	0	48	62.3	31	70.5	0.367
	1	29	37.7	13	29.5
Smoking	No	29	29.3	9	13.8	0.044
	Active	31	31.3	20	30.8
	Former	39	39.4	36	55.4
Alcohol consumption	No	57	63.3	34	58.6	0.312
	Active	25	27.8	14	24.1
	Former	8	8.9	10	17.2

ECOG: Eastern Cooperative Oncology Group performance status.