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  • Title: [Clinical studies on the prognostic factors in prostate cancer].
    Author: Horii Y, Yoshida T, Hirai S, Yamauchi T.
    Journal: Hinyokika Kiyo; 1998 Oct; 44(10):701-5. PubMed ID: 9850833.
    Abstract:
    To evaluate the prognostic factors and the outcome of treatment, a retrospective study was done on 141 patients with prostate cancer who were newly diagnosed at Kitano Hospital between January 1985 and November 1996. In recent years, the number of patients and the ratio of low stage cancer have increased. The overall 5-year crude survival rate was 49.9%. The 5-year crude survival rate for clinical stage A, B, C and D was 67%, 70%, 62% and 30% respectively. The overall 5-year disease-specific survival rate was 65.6%. The 5-year disease-specific survival rate for clinical stage A, B, C and D was 100%, 89%, 72% and 42%, respectively. By univariate analysis, clinical stage, Gleason score, prostate specific antigen (PSA) level, and patient age were prognostic factors for disease-specific survival of prostate cancer. According to Cox's regression analysis by the stepwise forward regression method, clinical stage and Gleason score were selected as more valuable prognostic factors than PSA level, patient age, comorbidity, and initial treatment. In Gleason score 2 to 8, the prognosis became significantly worse as clinical stage advanced, but in Gleason score 9 and 10 the prognosis was poor regardless of clinical stage.
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