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| Composite score | Normal colorectal tissue (n = 90) | CRC tissue (n = 90) |
|---|---|---|
| ≤2.0 (weak immunopositivity) | 63 (70.0%) | 4 (4.4%) |
| 2.1-4.0 (moderate immunopositivity) | 17 (18.9%) | 30 (33.3%) |
| >4.0 (strong immunopositivity) | 10 (11.1%) | 56 (62.2%) |
| P-values | <0.0001 |
P-value calculated by χ2 test for Normal colorectal tissue versus CRC tissue.
