Table 3. The univariate and multivariate logistic regression analysis between the clinical related risk factors and PD-L1 expression in GC patients.
| Variables | Univariate analysis | Multivariate analysis | |
|---|---|---|---|
| Wald χ2 | OR (95%CI) | P | |
| Age (year) | 1.348 | 0.246 | |
| <60 | Reference | ||
| ≥60 | 1.634 [0.713–3.741] | 0.246 | |
| Sex | 0.572 | 0.45 | |
| Male | Reference | ||
| Female | 1.473 [0.54–4.017] | 0.45 | |
| Tumor size (cm) | 3.592 | 0.166 | |
| ≤3 | Reference | ||
| 3–6 | 2.507 [0.946–6.645] | 0.065 | |
| ≥6 | 2.262 [0.695–7.358] | 0.175 | |
| TNM stage (AJCC) | 2.719 | 0.257 | |
| I | Reference | ||
| II | 0.561 [0.2–1.568] | 0.27 | |
| III | 1.392 [0.421–4.597] | 0.588 | |
| Grade (AJCC) | 0.241 | 0.624 | |
| I + II | Reference | ||
| III | 0.786 [0.3–2.059] | 0.624 | |
| Histology | 0.044 | 0.834 | |
| Adenocarcinoma | Reference | ||
| Others | 0.862 [0.215–3.464] | 0.834 | |
| CMTM6 | 5.063 | 0.024 | |
| Low | Reference | ||
| High | 2.538 [1.128–5.714] | 0.024 | |