[Retracted] Comparison of the Effects of Laparoscopic Surgery and Traditional Open Surgery on Stone Clearance, Laboratory Indexes and Life Quality in Patients with Renal Calculi

Table 3

The urinary β 2-MG, NAG, and KIM-1 levels between the two groups after operation .

Grouping		β 2-MG (mg/L)		NAG (IU/L)		KIM-1 (ng)
		Before operation	One week after operation	Before operation	One week after operation	Before operation	One week after operation
Control group	136		^a		^a		^a
Research group	136		^b		^b		^b
value		1.493	20.335	0.735	7.218	1.001	7.368
value		>0.05	<0.05	>0.05	<0.05	>0.05	<0.05

Note: The comparison between the control group before and after operation, ^a. The comparison of preoperative and postoperative in the research group, ^b.