Characteristics of the subjects
All subjects completed the study. A total of 24 subjects including 3 women and 21 men enrolled in the 4 mg/kg group. Allof them were Han nationality. Parameter, mean ± SD (range): age, 30.50 ± 7.12 years (20.00 ~ 42.00 years); weight, 66.71 ± 7.61 kg (52.50 ~ 83.50 kg); height, 169.79 ± 5.27 cm (159.00 ~ 178.00 cm); body mass index (BMI), 23.15 ± 2.39 kg × mA total of 24 subjects including 5 women and 19 men enrolled in the 6 mg/kg group. One subject is Manchu, and the other 23 cases are Han nationality. Parameter, mean ± SD (range): age, 27.00 ± 6.76 years (19.00 ~ 44.00 years); weight, 67.73 ± 9.71 kg (49.50 ~ 86.00 kg); height, 170.52 ± 7.64 cm (153.00 ~ 184.50 cm); BMI, 23.23 ± 2.44 kg × m