Table II.

Background characteristics of the subjects in groups X, Y and Z.

Parameter	Value	P-value
Subjects (m/f)		0.672a
X	7/7
Y	8/6
Z	8/4
Total	23/17
Age (years)		0.345b
X	46.9±9.9
Y	45.0±10.6
Z	40.5±13.0
Total	44.3±11.2
Height (cm)		0.510b
X	167.86±9.45
Y	164.45±10.09
Z	168.14±7.40
Total	166.75±9.06
Body weight (kg)		0.629b
X	64.86±12.98
Y	61.51±11.83
Z	65.85±11.46
Total	63.99±11.97
Body mass index (kg/m2)		0.908b
X	22.87±3.16
Y	22.69±3.43
Z	23.27±3.70
Total	22.92±3.34
Fasting plasma glucose level (mg/dl)		0.442b
X	97.3±8.6
Y	94.4±6.5
Z	98.4±9.9
Total	96.6±8.3
Plasma glucose level 30 min after the meal intake (mg/dl)		0.806b
X	160.8±14.3
Y	159.9±14.7
Z	163.3±10.4
Total	161.2±13.1
Plasma glucose AUC0–2 h (mg/h/dl)		0.751b
X	284.1±24.4
Y	276.3±37.6
Z	288.0±55.0
Total	282.5±39.3
Plasma glucose Cmax (mg/dl)		0.483b
X	168.6±15.6
Y	165.6±22.5
Z	176.9±33.0
Total	170.1±24.1

Data are presented as means ± standard deviation

^aχ² test

^banalysis of variance. AUC_{0–2 h}, area under the concentration-time curve for 0–2 h; C_max, maximum plasma concentration.