Central Body Fat Mass Measured by Bioelectrical Impedanciometry But Not Body Mass Index Is a High-Grade Prostate Cancer Risk Factor.

To evaluate the association between body fat mass distribution measured by bioelectrical impedanciometry (BEI) and high-grade prostate cancer (HGPC).

We prospectively analyze 323 patients who underwent prostate biopsy. BEI was performed prior to biopsy. Prostate cancer (PC) was stratified according to D'Amico classification. For univariate analysis, Student t test was done. For multivariate analysis, bivariate logistic regression was performed using PSA, body mass index (BMI), percentage central body fat, percentage total body fat, and visceral fat as explicative variables for the diagnosis of HGPC.

PC was found in 134 patients. Thirty seven (27.2%) were HGPC. This group had higher age, PSA, and percentage central body fat (p = 0.001, p = 0.001, p = 0.04). BMI showed no association with HRPC. Age, PSA, and percentage central body fat (OR 1,123, 95% CI 1,022-1,233, p = 0.001) were independent risk factors.

Central body fat measured by BEI could explain the association between obesity and HGPC better than BMI suggesting the use of this technique to study body fat distribution.

Urologia internationalis. 2016 Jul 06 [Epub ahead of print]

Eduardo Morán Pascual, Manuel Martínez Sarmiento, Alberto Budía Alba, Enrique Broseta Rico, Rosa Cámara Gómez, Francisco Boronat Tormo

Department of Urology, Universitary and Politecnic Hospital La Fe, Valencia, Spain.

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