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Relationship between survivin expression and the –31 G/C polymorphism.
| Expression level in tumor tissuesa | P valueb | |||
|---|---|---|---|---|
| Low n (%) | Moderate n (%) | High n (%) | ||
| –31 C/G polymorphism | ||||
| G/G | 5 (55.6) | 6 (27.3) | 8 (32.0) | 0.041* |
| C/C + C/G | 4 (44.4) | 16 (72.7) | 17 (68.0) | |
| Total | 9 (100.0) | 22 (100.0) | 25 (100.0) | |
*P < 0.05. aPercentage of survivin (+) cells: low, 0–5%; moderate, 5–50%; high, >50%. bChi-square test.
