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Relationship between staining intensity of Ki-67 and OS of patients with BC
| Ki-67 index + staining intensity | Death (n) | Survive (n) | Death rate (%) | χ2 | P |
|---|---|---|---|---|---|
| < 46% | 45 | 188 | 19.31% | ||
| ≧ 46% | 14 | 30 | 34.09% | ||
| < 133% | 46 | 189 | 19.57% | 2.90 | 0.0888※ |
| ≧ 133% | 13 | 29 | 30.95% | 6.71 | 0.0096* |
※46% vs. 133% group; * <133% vs. ≧ 133% group
