Table 1 Correlation between clinicopathological factors and MMR protein expression
n | MMR protein | P-value | ||
|---|---|---|---|---|
Proficient | Deficient | |||
Sex | ||||
Male | 14 | 7 | 7 | 0.363 |
Female | 15 | 10 | 5 | |
Age | ||||
≥ 71 | 15 | 12 | 3 | 0.016* |
< 71 | 14 | 5 | 9 | |
Tumor site | ||||
Proximal | 17 | 7 | 10 | 0.023* |
Distal | 12 | 10 | 2 | |
Lymphovascular invasion | ||||
Absent | 0 | 0 | 0 | NA |
Present | 29 | 17 | 12 | |
Lymph node metastasis | ||||
Absent | 9 | 0 | 9 | < 0.001* |
Present | 20 | 17 | 3 | |
Pathological stage | ||||
≤ pT2 | 7 | 0 | 7 | < 0.001* |
> pT3 | 22 | 17 | 5 | |
CD8+ TILs | ||||
≤ 155.7 | 15 | 15 | 0 | < 0.001* |
> 155.7 | 14 | 2 | 10 | |