Table 1.
Clinicopathologic and baseline clinical features of gastric cancer patients.
| Characteristics | PD-L1 Positive (n = 32) | PD-L1 Negative (n =88) | P |
|---|---|---|---|
| Sex | |||
| Male | 21 | 48 | 0.3039 |
| Female | 11 | 40 | |
| Age | |||
| ≥60 | 14 | 37 | >0.9999 |
| <60 | 18 | 51 | |
| Histological differentiation | |||
| Moderate | 7 | 17 | 0.7031 |
| Poor | 19 | 48 | |
| NOS | 6 | 23 | |
| Lauren Classification | |||
| Diffuse | 4 | 18 | 0.1809 |
| Intestinal | 2 | 8 | |
| Mixed | 5 | 4 | |
| Unknown | 21 | 58 | |
| Tumor Location | |||
| Body | 12 | 31 | 0.2573 |
| Antrum | 5 | 11 | |
| Cardia, gastric fundus | 15 | 36 | |
| Unknown | 0 | 10 | |
| T stage (%) | |||
| T1 | 0 | 4 | 0.336 |
| T2 | 4 | 7 | |
| T3 | 7 | 30 | |
| T4 | 6 | 9 | |
| Tx | 15 | 38 | |
| N stage (%) | |||
| N0 | 4 | 13 | 0.8118 |
| N1 | 2 | 6 | |
| N2 | 2 | 12 | |
| N3 | 8 | 18 | |
| Nx | 16 | 39 | |
| M stage (%) | |||
| M0 | 15 | 54 | 0.1476 |
| M1 | 17 | 31 | |
| Mx | 0 | 3 | |
| HER-2 status | |||
| Positive. | 9 | 8 | 0.0153 |
| Negative | 23 | 80 | |