Table 2.

Clinical characteristics of the two studied cohorts.

	NHANES 2007/2008 cohort (n = 2474)	Glucose clamp study in Asian Indian males (n = 100)
Age, years	43.3 ± 20.4	19.8 ± 1.0†††
Sex
Female	1242 (50.2%)	0 (0%)
Male	1232 (49.8%)	100 (100%)†††
Body surface area, m2	1.9 ± 0.3	1.7 ± 0.1†††
Body mass index, kg/m2	27.5 ± 6.2	19.1 ± 2.8†††
Waist circumference, cm	94.6 ± 15.7	69.9 ± 7.4†††
Fat-free mass (FFM), kg	N/A	43.4 ± 5.4
Triceps skinfold, mm	18.4 ± 8.3	N/A
Subscapular skinfold, mm	20.0 ± 8.4	N/A
Diabetes
No diabetes	2403 (97.1%)	100 (100%
Prediabetes	31 (1.3%)	0 (0%)
Diabetes	37 (1.5%)	0 (0%)
Fasting glucose (mmol/L)	5.7 ± 1.0	4.8 ± 0.4†††
Fasting insulin (pmol/L)	74.8 ± 60.4	24.6 ± 27.1†††
HbA1c (%)	5.5 ± 0.6	5.4 ± 0.4
M value (mg/kg/min)	N/A	10.9 ± 3.8

Data are reported as mean ± SD or counts (percentage).

^†††p < 1e–15 for the comparison of the cohorts.