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Correlation between decline degree of serum alpha-fetoprotein and response n (%)
| Variable | AFP decline ≥ 50% | AFP decline < 50% | P value |
| Response | |||
| PR | 34 (72.3) | 5 (14.7) | <0.001 |
| SD + PD | 13 (27.7) | 29 (85.3) |
SD: Stable disease; PD: Progressive disease; OS: Overall survival; PR: Partial response
