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Disease-Related Survival (DRS) and Disease-Free Survival (DFS) at 5, 10 and 14 Years by Molecular Subtype (IHC Surrogate) According to Ki67 Cut-Off (14% vs 20%)
| Ki 67 Cut-Off 14% | 5yy | 10yy | 14yy | P value* |
|---|---|---|---|---|
| DRS | ||||
| Luminal A | 99% | 98% | 98% | |
| Luminal B | 98% | 97% | 85% | p=0.037 |
| DFS | ||||
| Luminal A | 96% | 85% | 85% | |
| Luminal B | 94% | 77% | 72% | p=0.017 |
| Ki67 cut-off 20% | ||||
| DRS | ||||
| Luminal A | 99% | 95% | 95% | |
| Luminal B | 97% | 95% | 83% | p=0.003 |
| DFS | ||||
| Luminal A | 96% | 85% | 85% | |
| Luminal B | 94% | 77% | 72% | P<0.000 |
Note: * χ2 test.
