5.

ALK融合阳性患者PD-L1表达水平与临床病理特征关系

Relationship between PD-L1 expression level and clinicopathological characteristics in ALK fusion-positive patients

Item	PD-L1 expression level			P
	< 1.0% (n=5)	1.0%-49.0% (n=5)	≥50.0% (n=3)
Gender				0.476
Male	1 (20.0%)	3 (60.0%)	2 (66.7%)
Female	4 (80.0%)	2 (40.0%)	1 (33.3%)
Age (yr)				0.441
< 65	4 (80.0%)	4 (80.0%)	1 (33.3%)
≥65	1 (20.0%)	1 (20.0%)	2 (66.7%)
Smoking status				0.767
Former	1 (20.0%)	3 (60.0%)	1 (33.3%)
Never	4 (80.0%)	2 (40.0%)	2 (66.7%)
Clinical stage				0.790
Ⅰ	2 (40.0%)	1 (20.0%)	0
Ⅱ	0	0	0
Ⅲ	0	0	1 (33.3%)
Ⅳ	3 (60.0%)	4 (80.0%)	2 (66.7%)
Pathological type				> 0.999
Adenocarcinoma	5 (100.0%)	5 (100.0%)	3 (100.0%)
Squamous carcinoma	0	0	0
Others	0	0	0