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Median overall survival in each risk group
| Median OS (mo) | Interquartile range | Hazard ratio | p-value | |
|---|---|---|---|---|
| ECOG PS 0 | ||||
| Low | 16.73 | 7.2-30.70 | 1 | < 0.001 |
| Intermediate | 9.57 | 4.67-19.20 | 1.622 | |
| High | 4.50 | 2.57-9.13 | 3.598 | |
| ECOG PS 1 | ||||
| Low | 11.27 | 7.30-not estimated | 1 | < 0.001 |
| Intermediate | 6.30 | 2.70-14.17 | 2.228 | |
| High | 3.23 | 1.87-4.60 | 4.685 |
p-value by log-rank test among three groups. OS, overall survival; ECOG PS, Eastern Cooperative Oncology Group performance status.
