Table 1—

Sequential glucose and insulin concentrations following insulin + glucose, glucose, and saline infusions

0 h2 h4 h6 h
Insulin infusion
 Insulin (μIU/ml)13 ± 228 ± 3*24 ± 4*11 ± 3
 Glucose (mg/dl)73 ± 276 ± 573 ± 271 ± 11
Dextrose infusion
 Insulin (μIU/ml)16 ± 1017 ± 914 ± 69 ± 5
 Glucose (mg/dl)76 ± 1182 ± 1476 ± 1469 ± 5
Saline infusion
 Insulin (μIU/ml)14 ± 312 ± 111 ± 213 ± 2
 Glucose (mg/dl)80 ± 277 ± 374 ± 270 ± 3
  • Data are means ± SE. Fasting insulin concentrations in normal subjects in our laboratory are 4 ± 2 μU/ml (<8 μU/ml).

  • * Significantly different from 0 h at P < 0.05.