2. Efficacy outcomes by treatment group.
| Outcomes | n (%) | P | ||
| Group A (N=78) | Group B (N=148) | Group C (N=116) | ||
| CR, complete response; PR, partial response; SD, stable disease; PD, progression disease; ORR, overall response rate, ORR=CR+PR; CBR, clinical benefit rate, CBR=CR+PR +SD ≥6 months. | ||||
| CR | 0 (0) | 2 (1.4) | 4 (3.4) | − |
| PR | 10 (12.8) | 35 (23.6) | 35 (30.2) | − |
| SD | 50 (64.1) | 93 (62.8) | 66 (56.9) | − |
| SD ≥6 months | 11 (14.1) | 35 (23.6) | 31 (26.7) | − |
| PD | 18 (23.1) | 18 (12.2) | 11 (9.5) | − |
| ORR | 10 (12.8) | 37 (25.0) | 39 (33.6) | 0.0047 |
| CBR | 21 (26.9) | 72 (48.6) | 70 (60.3) | 0.0013 |