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| Cohort A (metformin) | Cohort B (no metformin) |
|---|---|
| Overall survival | |
| 42.8% patients alive at 1 year | 32.7% patients alive at 1 year |
| 28.5% patients alive at 2 years | 26.2% patients alive at 2 years |
| Progression-free survival | |
| 15.5% patients free from progression at 1 year -10.3% patients free from progression at 2 years |
16.5% patients free from progression at 1 year 5.5% patients free from progression at 2 years |
