Table 1.

Demographic and baseline characteristics

Variable	Experiment 1
	Placebo	GLP-1	Yohimbine	GLP-1 + Yohimbine	l-NMMA	GLP-1 + l-NMMA
n	8	7	7	10	7	9
Age, yr	34±5	34±3	37±3	29±3	33±4	28±3
Sex, % female	75	86	57	70	86	67
BMI, kg/m2	26±2	27±2	26±2	27±2	27±2	27±1
Serum glucose, mg/dl	87±2	88±2	88±2	89±2	90±5	88±2
NE level, pg/ml	214±31	177±33	266±77	176±35	167±17	171±25
DHPG level, pg/ml	1578±266	1514±206	1732±168	1430±79	1857±128	1830±231

All values except sex are actual means ± SE. BMI, body mass index; GLP-1, glucagon-like peptide; L-NMMA, N^G-monomethyl-L-arginine acetate; NE, norepinephrine; DHPG, dihydroxyphenylglycol.