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Subset Analysis of Patients According to Their Prior Exposure to Trastuzumab and Outcomes
| Parameter | Prior Trastuzumab | No Trastuzumab |
|---|---|---|
| No. of patients | 26 | 20 |
| Median OS | 26.6 mo | 37.8 mo |
| 1-y survival | 92.3% (95% CI, 82.6%-100%) | 90.0% (95% CI, 77.8%-100%) |
| Median TTP | 8.6 mo | 17.0 mo |
| No. (%) of responders | 16 (61.5%) | 15 (75%) |
Abbreviations: CI, confidence interval; NA, not available; OS, overall survival; TTP, time to progression.
