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Comparison of 4-year OS and DSS with different HER2 status
| HER2 status | Unmatched cohort | Matched cohort | ||
|---|---|---|---|---|
| 4-year OS | 4-year DSS | 4-year OS | 4-year DSS | |
| HER2-negative | 0.817 | 0.894 | 0.821 | 0.886 |
| HER2-positive | 0.693 | 0.832 | 0.688 | 0.833 |
| P-value | 0.005 | 0.091 | 0.008 | 0.198 |
