Key result
Visceral fat of 1.8 to 2.5 kg linked to ~4.5-fold higher dyslipidemia prevalence.
Why the study?
The association between lifestyle-related disorders and visceral fat mass, and appropriate visceral fat mass cutoff values correlated with BMI and waist circumference, were not well established in Japanese males.
Cross-Sectional (n=442)
No
Association supports further investigation of visceral fat thresholds in Japanese men; hypothesis-generating and should not yet change practice.
OBJECTIVE: This study aimed to examine the association between lifestyle-related disorders and visceral fat mass, and to estimate an appropriate cutoff value for visceral fat mass that correlated with body mass index (BMI) and waist circumference (WC). METHODS: This cross-sectional study was conducted between July 2012 and August 2013 at Bange Kosei General Hospital, in Fukushima, Japan. All study participants were adult males who had completed voluntary medical check-ups that included estimation of visceral fat mass by bioelectrical impedance analysis (BIA). Participants were without past histories of atherosclerotic complications or were not currently taking medications for lifestyle-related disorders. Multivariate analysis was performed to estimate the association between lifestyle-related disorders and quartiles of visceral fat mass. RESULTS: Of 536 total respondents, 442 were included in the analysis. Mean participant age was 56 years, and mean values of BMI, WC, and visceral fat mass were 24.1 kg/m(2), 85.9 cm, and 2.1 kg, respectively. Visceral fat mass ≥1.8 kg was positively associated with an increased prevalence of dyslipidemia, elevated blood pressure, and impaired glucose tolerance. Cutoff values that correlated with visceral fat mass (≥1.8 kg) were 85.3 cm for WC and 23.25 kg/m(2) for BMI. CONCLUSION: Visceral fat mass ≥1.8 kg was positively associated with lifestyle-related disorders and closely related to WC and BMI cutoff values used to diagnose obesity. BIA may be a useful method for assessing visceral fat mass, and these findings provide important evidence for the use of BIA in the early detection of central obesity for preventing lifestyle-related disorders.
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Sanada et al. (2014) conducted a cross-sectional in Lifestyle-related disorders (n=442). Visceral fat mass 1.8-2.5 kg (Quartile 3) vs. Visceral fat mass <1.2 kg (Quartile 1) was evaluated on Prevalence of dyslipidemia (OR 4.52, 95% CI 2.44-8.38, p=<0.01). Visceral fat mass of 1.8 to 2.5 kg was significantly associated with an increased prevalence of dyslipidemia (OR 4.52) compared to a visceral fat mass under 1.2 kg in Japanese men.
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