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The overall response rates in the two groups
| Classification | Group A (n=50) | Group B (n=40) | X2 | P |
|---|---|---|---|---|
| Marked response | 32 (64.00) | 18 (45.00) | - | - |
| Effective response | 17 (34.00) | 12 (30.00) | - | - |
| No response | 1 (2.00) | 10 (20.00) | - | - |
| ORR (%) | 49 (98.00) | 30 (75.00) | 10.96 | <0.001 |
