Lab Med Online.  2014 Oct;4(4):212-217. 10.3343/lmo.2014.4.4.212.

Association of Metabolic Factors and Prostate-Specific Antigen Levels with Prostate Volume in Medical Check-ups

• Nah EH
• Cho HI
• Choi JC

• KMID: 2312258
• DOI: http://doi.org/10.3343/lmo.2014.4.4.212

Abstract

BACKGROUND
Baseline prostate volume (PV) is related with the progression of benign prostatic hyperplasia (BPH). Although recent studies have reported the relationship between BPH and metabolic syndrome, the findings are inconsistent. Thus, this study was performed to investigate the association of PV with metabolic factors and prostate-specific antigen (PSA) in individuals with normal PV and clarify the factors associated with benign prostate enlargement (BPE), including PSA.
METHODS
We selected 3,915 health examinees aged >40 yr with a PSA level <4 ng/mL who underwent ultrasonography of the prostate as part of a routine health check-up. These individuals were classified into two groups according to PV: normal PV (PV <30 mL) and BPE (PV > or =30 mL). We investigated the association of PV with metabolic factors and PSA using multiple linear regression analysis, and clarified the factors associated with BPE using logistic regression analysis.
RESULTS
The factors associated with PV were PSA, age, and waist circumference in individuals with normal PV. The factors associated with BPE were age, body mass index (BMI), and PSA. The logistic regression analysis adjusted for age and confounding factors showed that individuals with a BMI of 23-24.9 kg/m2, 25-29.9 kg/m2, and > or =30 kg/m2 had higher odds ratios of 1.580 (95% confidence interval, 1.171-2.131; P=0.003), 1.767 (1.332-2.344; P<0.001), and 2.024 (1.042-3.933; P=0.038), respectively, for BPE than individual with a BMI <23 kg/m2.
CONCLUSIONS
Abdominal obesity was significantly associated with PV in individuals with normal PV, whereas obesity was an associated metabolic factor of BPE. PSA level was positively associated with PV.

Keyword

Prostate enlargement; Metabolic syndrome; Prostate-specific antigen

MeSH Terms

Body Mass Index
Linear Models
Logistic Models
Obesity
Obesity, Abdominal
Odds Ratio
Prostate*
Prostate-Specific Antigen*
Prostatic Hyperplasia
Ultrasonography
Waist Circumference
Prostate-Specific Antigen

Reference

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