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Race, tumor location, and disease progression among low-risk prostate cancer patients.


ABSTRACT:

Background

The relationship between race, prostate tumor location, and BCR-free survival is inconclusive. This study examined the independent and joint roles of patient race and tumor location on biochemical recurrence-free (BCR) survival.

Methods

A retrospective cohort study was conducted among men with newly diagnosed, biopsy-confirmed, NCCN-defined low risk CaP who underwent radical prostatectomy (RP) at the Walter Reed National Military Medical Center from 1996 to 2008. BCR-free survival was modeled using Kaplan-Meier estimation curves and multivariable Cox proportional hazards (PH) analyses.

Results

There were 539 eligible patients with low-risk CaP (25% African American, AA; 75% Caucasian American, CA). Median age at CaP diagnosis and post-RP follow-up time was 59.2 and 8.1 years, respectively. Kaplan-Meier analyses showed no significant association between race (P = .52) or predominant tumor location (P = .98) on BCR-free survival. In Cox PH multivariable analysis, neither race (HR = 1.18; 95% CI = 0.68-2.02; P = .56) nor predominant tumor location (HR = 1.13; 95% CI = 0.59-2.15; P = .71) was an independent predictor of BCR-free survival.

Conclusions

Neither race nor predominant tumor location was associated with adverse oncologic outcome.

SUBMITTER: Mygatt JG 

PROVIDER: S-EPMC7064097 | biostudies-literature |

REPOSITORIES: biostudies-literature

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