TABLE 1.

Demographics and baseline characteristics

	All subjects (n = 24)
	i.d. (n = 12)	s.c. (n = 12)
Age (y)
Mean (SD)	25.2 (5.3)	27.1 (7.6)
Median	23	23.5
Range	20–38	20–42
Height (cm)
Mean (SD)	177.8 (6.1)	180.1 (7.6)
Range	167.3–188.5	166.5–191.1
Body mass index (kg/m 2 )
Mean (SD)	23.8 (3.2)	23.2 (2.8)
Range	19.3–29.3	20–28.8
Sex
Female, n (%)	6 (25%)	6 (25%)
Male, n (%)	6 (25%)	6 (25%)
Race, n (% per group)
Caucasian	12 (100)	12 (100)

i.d.: intradermal; s.c.: subcutaneous; SD: standard deviation