TABLE 2.

Demographic characteristics

Demographic data	Study cohort				P value
	Group A (1 μg/ml) (n = 6)	Group B (5 μg/ml) (n = 6)	Group C (10 μg/ml) (n = 6)	Group D (20 μg/ml) (n = 6)
Age (mean ± SD) (yr)	25 ± 4	26 ± 4	30 ± 4	28 ± 4	0.1466
Sex (male/female)	3/3	3/3	3/3	3/3	1.0000
Nationality (Han/others)	5/1	6/0	6/0	6/0	1.0000
Height (mean ± SD [range]) (cm)	169.2 ± 12.0 (158.0–189.0)	169.0 ± 9.7 (160.0–181.0)	163 ± 5.1 (156.0–168.0)	164.8 ± 11.1 (150.0–178.0)	0.6296
Weight (mean ± SD [range]) (kg)	64.5 ± 13.1 (50.0–83.0)	66.0 ± 8.9 (54.0–75.0)	58.8 ± 6.6 (51.0–67.0)	62.3 ± 9.5 (48.0–76.0)	0.6183
BMI (mean ± SD [range]) (kg/m2)	22.3 ± 2.0 (20.0–25.4)	23.1 ± 2.1 (20.8–26.6)	22.1 ± 1.1 (20.8–23.7)	22.9 ± 2.1 (21.3–26.7)	0.7636