Table 2.
The relationship between PD-L1 expression and clinicopathological features in colorectal cancer
| Parameters | Cases | PD-L1 expression | Positive rate (%) | P value | |
|---|---|---|---|---|---|
|
| |||||
| Positive | Negative | ||||
| Gender | 0.798 | ||||
| Male | 46 | 36 | 10 | 78.3 | |
| Female | 41 | 33 | 8 | 80.5 | |
| Age | 0.863 | ||||
| ≤ 60 | 28 | 23 | 5 | 82.1 | |
| > 60 | 59 | 46 | 13 | 77.9 | |
| Tumor size | 0.209 | ||||
| ≤ 5 | 50 | 42 | 8 | 84 | |
| > 5 | 37 | 27 | 10 | 72.9 | |
| Differentiation | 0.029 | ||||
| High | 21 | 13 | 8 | 61.9 | |
| Medium | 52 | 35 | 17 | 67.3 | |
| Low | 14 | 10 | 4 | 71.4 | |
| Lymph node metastasis | 0.261 | ||||
| Yes | 29 | 21 | 8 | 72.4 | |
| No | 58 | 48 | 10 | 82.8 | |
| TNM stage | 0.993 | ||||
| I | 10 | 7 | 3 | 70 | |
| II | 49 | 39 | 10 | 79.6 | |
| III | 28 | 25 | 3 | 89.3 | |
| Depth of invasion | 0.375 | ||||
| T1-T2 | 10 | 6 | 4 | 60 | |
| T3-T4 | 77 | 60 | 17 | 77.9 | |