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Immunohistochemical staining for the detection of Bmi-1 expression.
| Bmi-1 expression level | |||||
|---|---|---|---|---|---|
| Clinicopathological features | Cases | Negative (%) | Positive (%) | χ2 value | P-value |
| Gallbladder cancer tissue | 50 | 8 (16) | 42 (84) | 14.927 | <0.05 |
| Normal gallbladder tissue | 15 | 9 (60) | 6 (40) | ||
