Table 2 PD-L1 expression, EBER ISH status with clinic-pathological features of GC patients
Variables | EBER ISH status | p value | |
|---|---|---|---|
EBER positive (+) | EBER negative (−) | ||
Sex | Â | Â | 0.003* |
 male | 82/2504 (3.3%) | 1717/2504 (68.6%) |  |
 female | 14/2504 (0.6%) | 691/2504 (27.5%) |  |
Lauren type | Â | Â | 0.000* |
 Diffuse/mixed | 77/2504 (3.1%) | 1503/2504 (60%) |  |
 intestinal | 19/2504 (0.8%) | 905/2504 (36.1%) |  |
Differentiation | Â | Â | 0.001* |
 poorly differentiated | 79/2504 (3.1%) | 1600/2504 (63.9%) |  |
 well-moderately | 17/2504 (0.7%) | 808/2504 (32.3%) |  |
T stage | Â | Â | 0.322 |
 pT3 + T4 | 55/2504 (2.2%) | 1500/2504 (59.9%) |  |
 pT1 + T2 | 41/2504 (1.6%) | 908/2504 (36.3%) |  |
Lymphnode metastasis | Â | Â | 0.326 |
 LNM+ | 53/2504 (2.1%) | 1450/2504 (57.9%) |  |
 LNM- | 43/2504 (1.7%) | 958/2504 (38.3%) |  |
PD-L1 expression | Â | Â | 0.524 |
 PD-L1 - | 52/2358 (2.2%) | 1617/2358 (68.6%) |  |
 PD-L1 > =1% | 25/2358 (1.1%) | 664/2358 (28.1%) |  |