Abstract
Background Prostate cancer is the second most common cancer among men globally. A few studies that have been done in Uganda on survival of patients with prostate cancer indicate that, the overall survival of patients with prostate cancer in Uganda is poor. The aim of this study was to determine the 3-year overall survival rate of a cohort of patients with prostate cancer residing in Kyadondo County who were diagnosed from 2012 to 2014. The secondary objective was to correlate the overall survival with the clinicopathological prognostic factors. Materials and Methods This was a retrospective cohort study which involved 136 patients who were diagnosed histologically with prostate cancer at the department of pathology between 2012 and 2014. The cases were registered at the Kampala cancer registry and followed up to 31st December 2017. Data analysis was done using STATA version 12.0. The Kaplan-Meir curves were used for analysis of the 3-year overall survival rate. Hazard ratio (HR) and Log-rank test at 95% confidence interval under Cox-regression model were used to evaluate the effect of the covariates on the 3-year overall survival rate. p < 0.05 was considered statistically significant. Results More than half of the cases, 55.9% (n = 76) had Gleason score >8. Most of the patients, 67.7% (n = 92) had advanced disease at diagnosis. The 3-year overall survival rate was 67.6% with median survival of 36.5 months and range of 0–65 months. Clinical stage of the patients (HR = 1.65, p = 0.039), Gleason score (HR = 1.88, p = 0.008), and lymphovascular invasion (HR = 0.37, p = 0.002) were the independent predictors of the 3-year overall survival rate in this study. Conclusion. The 3-year overall survival of prostate cancer patients in Uganda is poor. Most of the patients with are diagnosed with advanced clinical stages (stage III and IV). The Gleason score, clinical stage and lymphovascular invasion can powerfully predict independently the overall survival of patients with prostate cancer. This implies that the Gleason score, clinical stage and lymphovascular invasion may be used to predict the overall survival of patients with prostate cancer even prior prostatectomy.
Highlights
Prostate cancer (PCa) is the leading cause of cancer morbidity and mortality in elderly men worldwide
Sampling and Patients. is was a retrospective cohort study which involved 136 patients with follow up data who were diagnosed with PCa. e study was conducted in the department of pathology, Makerere College of Health Sciences (MakCHS) in Kampala, Uganda
Patients with perineural invasion (PNI) were 63% more likely to die within the 3 years of follow-up compared to those without PNI and the difference was statistically significant (푝 = 0.001)
Summary
Prostate cancer is the second most common cancer among men globally. A few studies that have been done in Uganda on survival of patients with prostate cancer indicate that, the overall survival of patients with prostate cancer in Uganda is poor. E aim of this study was to determine the 3-year overall survival rate of a cohort of patients with prostate cancer residing in Kyadondo County who were diagnosed from 2012 to 2014. Clinical stage of the patients (HR = 1.65, 푝 = 0.039), Gleason score (HR = 1.88, 푝 = 0.008 ), and lymphovascular invasion (HR = 0.37, 푝 = 0.002) were the independent predictors of the 3-year overall survival rate in this study. E 3-year overall survival of prostate cancer patients in Uganda is poor. E Gleason score, clinical stage and lymphovascular invasion can powerfully predict independently the overall survival of patients with prostate cancer. Is implies that the Gleason score, clinical stage and lymphovascular invasion may be used to predict the overall survival of patients with prostate cancer even prior prostatectomy Most of the patients with are diagnosed with advanced clinical stages (stage III and IV). e Gleason score, clinical stage and lymphovascular invasion can powerfully predict independently the overall survival of patients with prostate cancer. is implies that the Gleason score, clinical stage and lymphovascular invasion may be used to predict the overall survival of patients with prostate cancer even prior prostatectomy
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