American Diabetes Association

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TABLE 1

Clinical characteristics of subjects

	Normal glucose tolerance	Impaired glucose tolerance
n	185	98
Sex (M/F)	63/122	38/60
Age (years)	43 ± 1	49 ± 1^*
BMI (kg/m²)	26.1 ± 0.3	28.0 ± 0.5^*
Waist-to-hip ratio	0.82 ± 0.01	0.88 ± 0.01^*
Lean body mass (kg)	51.1 ± 0.5	51.2 ± 0.8
Fat mass (kg)	24.5 ± 0.6	27.5 ± 1.0^*
HbA_1c (%)	5.11 ± 0.04	5.56 ± 0.06^*
Fasting plasma glucose (mmol/l)	5.04 ± 0.04	5.49 ± 0.05^*
Fasting plasma insulin (pmol/l)	38 (35–40)^†	53 (47–61)^*^†

	Normal glucose tolerance	Impaired glucose tolerance
n	185	98
Sex (M/F)	63/122	38/60
Age (years)	43 ± 1	49 ± 1^*
BMI (kg/m²)	26.1 ± 0.3	28.0 ± 0.5^*
Waist-to-hip ratio	0.82 ± 0.01	0.88 ± 0.01^*
Lean body mass (kg)	51.1 ± 0.5	51.2 ± 0.8
Fat mass (kg)	24.5 ± 0.6	27.5 ± 1.0^*
HbA_1c (%)	5.11 ± 0.04	5.56 ± 0.06^*
Fasting plasma glucose (mmol/l)	5.04 ± 0.04	5.49 ± 0.05^*
Fasting plasma insulin (pmol/l)	38 (35–40)^†	53 (47–61)^*^†

Data are means ± SE unless noted otherwise.

*

P < 0.01

†

95% confidence limits.