TABLE 1

Summary of plasma insulin and C-peptide concentration during the 180-min hyperinsulinemic-euglycemic clamp

TreatmentTime (min)
0306090120150180
Insulin (μU/ml)
 PLN/A57.7 ± 5.459.9 ± 6.866.2 ± 6.364.0 ± 6.966.0 ± 8.762.5 ± 5.5
 CAFFN/A49.7 ± 4.357.5 ± 4.354.8 ± 4.359.3 ± 5.762.5 ± 6.557.2 ± 6.6
C-peptide (ng/ml)
 PL1.4 ± 0.21.3 ± 0.11.2 ± 0.21.0 ± 0.11.0 ± 0.20.9 ± 0.21.0 ± 0.2
 CAFF1.5 ± 0.21.4 ± 0.20.8 ± 0.21.0 ± 0.20.9 ± 0.20.9 ± 0.20.9 ± 0.2
  • Data are means ± SE. Treatment is indicated as placebo (PL) or caffeine (CAFF). N/A, not available. Available data are not statistically different from one another (P > 0.05).