1. The Cancer of the Bladder Risk Assessment Score and Mortality-Survival Relationship Among Patients Who Have Undergone Radical Cystectomy in the Turkish Urooncology Association Database.
- Author
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Tavukçu, Hasan Hüseyin, Tinay, İlker, İzol, Volkan, Baltacı, Sümer, Teke, Kerem, Süer, Evren, Yücetaş, Uğur, Yazıcı, Sertaç, Akan, Serkan, and Şahin, Bahadır
- Subjects
MORTALITY risk factors ,RISK assessment ,BLADDER tumors ,CYSTECTOMY ,LYMPH nodes ,QUALITATIVE research ,FISHER exact test ,TREATMENT effectiveness ,CHI-squared test ,DESCRIPTIVE statistics ,MULTIVARIATE analysis ,KAPLAN-Meier estimator ,LOG-rank test ,TUMOR classification ,CONFIDENCE intervals ,PROPORTIONAL hazards models - Abstract
Objective: The Cancer of the Bladder Risk Assessment (COBRA) score is a practical method that can be used to predict survival in patients who have undergone radical cystectomy (RC). We aimed to evaluate COBRA scores in our patient group. Materials and Methods: Patients were classified according to tumor stage and lymph node (TLN) involvement; mortality rates and survival were analyzed according to both the TLN classification and COBRA score from the Turkish Urooncology Association database. The chi-square test and Fisher-Freeman-Halton Exact chi-square test were used to compare qualitative data as well as descriptive statistical methods. Cox regression analysis was used for multivariate analysis. Kaplan-Meier and log-rank tests were used for survival analysis. Results: There was a statistically significant difference between the COBRA scores and survival rates in terms of cancer-specific mortality according to TLN classification (p=0.000; p<0.05). A COBRA score of 6 was associated with a lower mortality rate than a COBRA score of 5. In the Cox regression analysis of cancer-related death, a one-unit increase in the COBRA score increased the cancer-related death rate 1.54-fold [hazard ratio (HR)=1.540; 95% confidence interval (CI)=1.402-1.691] (p<0.05). When the COBRA score was compared to 0, the highest risk was observed for COBRA 5. If the COBRA score was 5, the risk of cancer-related death increased 14.63 times (HR=14.627; 95% CI=7.041-30.385) (p<0.05). If the COBRA score was 6, the risk of cancer-related death increased by 11.54 times (HR=11.547; 95% CI=5.270-25.278) (p<0.05). Conclusion: The COBRA score increased, the prognosis worsened, and our results are consistent with the first validated study. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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