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KPNA2 immunohistochemical staining
| KPNA2 expression | |||||
|---|---|---|---|---|---|
| Tissue sample | n | Negative | Weak | Positive | p-value |
| Normal mucosa | 195 | 99 (50.7) | 74 (37.9) | 22 (11.3) | |
| tumor | 195 | 59 (30.3) | 83 (42.6) | 53 (27.2) | <0.001* |
| LNM | 66 | 19 (28.8) | 21 (31.8) | 26 (39.4) | 0.14 |
*indicates statistical difference, p-value is based on the chi-square test
