| N | PFS | OS | ||
---|---|---|---|---|---|
HR (95%CI) | p value | HR (95%CI) | p value | ||
ECOG at corticosteroid switch |  |  |  | 0.58 (0.35–0.97) | 0.040 |
0 | 76 | ||||
≥ 1 | 54 | ||||
PSA at corticosteroid switch, ng/mL |  | 0.63 (0.43–0.93) | 0.019 | 0.38 (0.22–0.66) | 0.001 |
≤ 20 | 64 | ||||
>  20 | 66 | ||||
mCRPC-free survival, months |  | 0.61 (0.41–0.90) | 0.013 | 0.51 (0.30–0.88) | 0.015 |
≥ 18 | 53 | ||||
<  18 | 77 |