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Table 2 Clinical and biochemical parameters of the study population according to waist circumference

From: Bisphenol-A plasma levels are related to inflammatory markers, visceral obesity and insulin-resistance: a cross-sectional study on adult male population

Parameters WC ≤ 102 cm (n. 52) WC > 102 cm (n. 24) p values
Age (years) 53.6 ± 6.0 53.4 ± 5.2 0.900
BMI (kg/m2) 24.0 ± 2.5 29.1 ± 2.5 <0.0001
SBP (mmHg) 122.5 (90–160) 120.0 (100–160) 0.819
DBP (mmHg) 80.0 (65–95) 80.0 (60–100) 0.305
FPG (mg/dl) 101.4 ± 12 99.9 ± 11.7 0.613
Insulin (mU/l) 3.6 (1.2–26.4) 10.4 (3.3–28.7) 0.0006
HoMA-IR 0.9 (0.4–7.7) 2.7 (0.7–8.4) 0.0016
Total cholesterol (mg/dl) 212.0 ± 50.1 199.5 ± 35.2 0.273
HDL (mg/dl) 52.7 ± 11.8 43.6 ± 9.1 0.001
LDL (mg/dl) 132.9 ± 46.5 123.0 ± 30.2 0.344
TG (mg/dl) 149.8 ± 81.5 165.0 ± 53.4 0.407
BPA (ng/ml) 0.86 ± 0.72 1.44 ± 0.74 0.002
IL-6 (pg/ml) 0.77 (0.06–2.2) 0.78 (0.07–3.43) 0.030
MCP-1 (pg/ml) 26.9 ± 25.4 28.3 ± 19.3 0.808
TNFα (pg/ml) 1.1 (0.5–9.1) 3.2 (0.6–8.3) 0.007
  1. Data are expressed as mean ± standard deviation or median, according to variable distribution. In particular, SBP, DBP, Insulin, HoMA-IR, IL-6 and TNFα were expressed as median with range. Differences in variables between groups were analyzed using the unpaired Student t test or Mann-Whitney U test, when appropriate.
  2. BMI body mass index, WC waist circumference, SBP systolic blood pressure, DBP diastolic blood pressure, FPG fasting plasma glucose, HoMA-IR homeostasis model of assessment-insulin resistance, HDL high-density lipoprotein, LDL low-density lipoprotein, TG triglycerides, BPA bisphenol-A, IL-6 interleukin-6, MCP-1 monocyte chemoattractant protein-1, TNFα tumor necrosis factor-alpha.