TABLE 1.

Plasma glucose, insulin, and cortisol levels during two 2-h hyperinsulinemic-euglycemic clamps (anteEugly), hypoglycemic clamps (anteHypo), or euglycemic clamps with intravenous cortisol infusions of 1 μg · kg⁻¹ · min⁻¹ (anteCort1) or 2 μg · kg⁻¹ · min⁻¹ (anteCort2) on day 1

	Morning clamp		Afternoon clamp
	Basal	Final 30 min of exercise	Basal	Final 30 min of exercise
Plasma glucose (mmol/l)
anteEugly	5.4 ± 0.1	5.0 ± 0.1	5.3 ± 0.1	5.2 ± 0.1
anteHypo	5.3 ± 0.1	2.9 ± 0.1*	5.2 ± 0.1	2.9 ± 0.1*
anteCort1	5.4 ± 0.1	5.0 ± 0.1	5.5 ± 0.1	5.1 ± 0.1
anteCort2	5.4 ± 0.1	5.1 ± 0.1	5.5 ± 0.1	5.2 ± 0.1
Plasma insulin (pmol/l)
anteEugly	94 ± 15	588 ± 33	60 ± 12	588 ± 42
anteHypo	90 ± 15	576 ± 36	58 ± 9	606 ± 39
anteCort1	108 ± 17	606 ± 77	93 ± 19	588 ± 72
anteCort2	93 ± 15	582 ± 41	66 ± 15	602 ± 47
Plasma Cortisol (nmol/l)
anteEugly	419 ± 69	328 ± 48	290 ± 46	301 ± 35
anteHypo	374 ± 47	696 ± 96*	351 ± 46	702 ± 98*
anteCort1	341 ± 39	720 ± 39*	343 ± 39	703 ± 41*
anteCort2	469 ± 55	1,202 ± 70*†	579 ± 60*†	1,216 ± 70*†

Data are means ± SEM. n = 22 patients (11 men/11 women) with type 1 diabetes.

*Significant difference versus anteEugly.

†Significant difference versus anteHypo and anteCort1 (P < 0.05).