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(A) Survival curves of OS for age, P < 0.001; (B) Survival curves of OS for marital status, P < 0.001; (C) Survival curves of OS for race, P < 0.001; (D) Survival curves of OS for T status, P < 0.001; (E) Survival curves of OS for N status, P < 0.001; (F) Survival curves of OS for M status, P < 0.001; (G) Survival curves of OS for PSA levels, P < 0.001; (H) Survival curves of OS for therapeutic methods, P < 0.001.
