Purpose: The purpose of this clinical study was to examine the anthropometric indices that are most useful in the determination of obesity. In this study, based on these results, the association between visceral fat and gender difference was studied.
Subjects and methods: Subjects were 128 employees who gave consent at our hospital's periodic staff health checkup. This study examined correlations between past disease history, current medical history, medication history, anthropometric indices (abdominal circumference, BMI, waist-hip ratio, abdominal circumference to height ratio), blood pressure (systolic: SBP, diastolic: DBP), blood examination (Tcho, TG, HDL, LDL, non-HDL, TG/HDL ratio, LDL/HDL ratio, fasting plasma glucose: FPG, fasting insulin level: insulin), HOMA-β, HOMA-IR, and visceral fat area: VFA. We investigated the associations indicated by factors derived from correlations. For statistical analysis, factor analysis and receivers operating characteristic analysis were used.
Results: VFA and abdominal circumference to height ratio in males, and VFA and BMI in females are useful anthropometric indices compared with the association between abdominal circumference measurement and VFA. In this study, items which showed positive correlation with visceral fat obesity included: aging, abdominal circumference, BMI, BMI 25 or greater, waist-hip ratio, abdominal circumference to height ratio, SBP, TG, TG/HDL ratio, insulin, HOMA-β,
HOMA-IR both in males and females. As for correlation between gender difference and VFA, significant positive correlation was observed in TG150 mg/dL or greater; and significant negative correlation was observed in HDL in males. Significant positive correlation was observed in DBP, Tcho, LDL, non-HDL, LDL/HDL ratio, FPG, SBP130mmHg or greater, LDL 140 mg/dL or greater, FPG 110 mg/dL or greater in females.
Discussion: The results thus far have revealed that in addition to abdominal circumference, VFA was significantly associated with abdominal circumference to height ratio (cut-off point 0.48) in males and BMI (cut-off point 25.10) in females. LDL was closely associated with VFA in females.
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