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Table 1—

Characteristics of subjects before and after 3 months of chromium supplementation

Chromium
Placebo
Baseline3 monthsBaseline3 months
Waist circumference (cm) 108.1 ± 21.5 105.7 ± 19.4 114.5 ± 16.0 111.7 ± 14.1 (P = 0.052 vs. baseline) 
BMI (kg/m234.1 ± 8.9 34.7 ± 5.6 34.5 ± 8.7 34.5 ± 5.2 
Serum chromium (nmol/l) 1.4 ± 1.3 5.2 ± 8.9* 3.3 ± 4.5 4.4 ± 4.0 
Fasting plasma glucose (mmol/l) 5.5 ± 0.9 5.6 ± 0.8 5.8 ± 0.8 5.8 ± 0.8 
1-h glucose (mmol/l) 9.8 ± 2.6 10.0 ± 2.2 10.6 ± 2.2 10.6 ± 2.0 
2-h glucose (mmol/l) 8.2 ± 2.4 7.9 ± 2.5 8.5 ± 2.3 8.1 ± 2.0 
AUC 23.4 ± 5.3 23.5 ± 4.9 24.9 ± 4.1 24.2 ± 4.4 
Fasting insulin (mIU/l) 11.7 ± 7.1 19.3 ± 22.2 15.3 ± 9.8 14.5 ± 10.3 
HOMA-IR 2.95 ± 2.10 4.76 ± 5.02 3.89 ± 2.54 3.73 ± 2.92 
Triacylglycerides (mmol/l) 1.89 ± 0.63 1.94 ± 0.83 2.47 ± 0.98 2.31 ± 0.94 
Total cholesterol (mmol/l) 4.78 ± 0.77 5.22 ± 0.98 4.83 ± 0.67 5.37 ± 0.78* 
Chromium
Placebo
Baseline3 monthsBaseline3 months
Waist circumference (cm) 108.1 ± 21.5 105.7 ± 19.4 114.5 ± 16.0 111.7 ± 14.1 (P = 0.052 vs. baseline) 
BMI (kg/m234.1 ± 8.9 34.7 ± 5.6 34.5 ± 8.7 34.5 ± 5.2 
Serum chromium (nmol/l) 1.4 ± 1.3 5.2 ± 8.9* 3.3 ± 4.5 4.4 ± 4.0 
Fasting plasma glucose (mmol/l) 5.5 ± 0.9 5.6 ± 0.8 5.8 ± 0.8 5.8 ± 0.8 
1-h glucose (mmol/l) 9.8 ± 2.6 10.0 ± 2.2 10.6 ± 2.2 10.6 ± 2.0 
2-h glucose (mmol/l) 8.2 ± 2.4 7.9 ± 2.5 8.5 ± 2.3 8.1 ± 2.0 
AUC 23.4 ± 5.3 23.5 ± 4.9 24.9 ± 4.1 24.2 ± 4.4 
Fasting insulin (mIU/l) 11.7 ± 7.1 19.3 ± 22.2 15.3 ± 9.8 14.5 ± 10.3 
HOMA-IR 2.95 ± 2.10 4.76 ± 5.02 3.89 ± 2.54 3.73 ± 2.92 
Triacylglycerides (mmol/l) 1.89 ± 0.63 1.94 ± 0.83 2.47 ± 0.98 2.31 ± 0.94 
Total cholesterol (mmol/l) 4.78 ± 0.77 5.22 ± 0.98 4.83 ± 0.67 5.37 ± 0.78* 

Data are means ± 1 SD.

*

P < 0.05. AUC, area under the curve during the OGTT.

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