Table 1.

The Characteristic Data

Variables	Group A (n = 21)	Group B (n = 21)
Age (year)	65.6 ± 2.6	74.38 ± 3.2
Male/female	7/14	9/12
Weight (kg)	64.5 ± 10.4	70.6 ± 7.2
Height (cm)	164.2 ± 7.8	165.1 ± 8.6
BMI (kg/m2)	23.9 ± 2.2	26.1 ± 2.8
ASA classification [(II/III)%]	100/0	85.7/14.3

Note: Data are presented as mean ± standard deviation and number of subjects.

Abbreviations: BMI, body mass index; ASA, American Society of Anesthesiologists status.