PD-L1 Expression and CD8⁺ T Cell Infiltration Predict a Favorable Prognosis in Advanced Gastric Cancer

Table 1

Correlation between tumor PD-L1 expression and clinicopathological parameters in GC patients.

Clinicopathological features	Cases	PD-L1 expression		value ( test)
		Positive	Negative
		171	338
Gender
Male	347	116	231	0.9077
Female	162	55	107
Age(years)
≤60	224	65	159	0.0526
>60	285	106	179
Tumor location
Up	73	22	51	0.8970
Middle	105	35	70
Low	260	89	171
Total	66	24	42
Remnant	5	1	4
Length-diameter
<5 cm	232	93	139	0.0045
≥5 cm	277	78	199
Lauren type
Intestinal	163	62	101	0.3268
Diffuse	326	102	224
Mix	20	7	13
Blood vessel invasion
Absent	413	139	274	0.9519
Present	96	32	64
Perineuronal invasion
Absent	429	151	278	0.0762
Present	80	20	60
pT stage
T2	85	33	52	0.5263
T3	151	50	101
T4	273	88	185
pN stage
N0	162	59	103	0.4947
N1	96	35	61
N2	112	37	75
N3	139	40	99
TNM stage
I	49	17	32	0.2255
II	172	66	106
III	288	88	200

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