Table 1.

Comparison of the General Conditions of Patients in the Two Groups

Items	Group B	Group U	P value
Age/years	53.98±15.45	54.56±15.35	0.86
Sex (male/female)/n	27/18	28/17	0.83
BMI/ kg/m2	31.65±1.95	31.19±2.20	0.30
ASA grade/n (%)			0.77
Grade I	17(37.8)	20(44.4)
Grade II	25(55.6)	23(51.1)
Grade III	3(6.7)	2(4.4)