Table 2.

Renal function index.

Variable	RAS a group	non-RAS group	P-value
	(n = 21)	(n = 108)
Acute kidney injury, n(%)	6(28.6)	10(9.3)	0.014*
Preoperative Ccrb(SD), μmol/L	90.6(46.1)	78.7(39.2)	0.303
Preoperative eGFRc(SD), ml/min	83.3(25.0)	101.9(26.9)	0.028*
CCr after 1-month follow-up(SD), μmol/L	99.0(68.1)	78.5(25.8)	0.043*
eGFR after 1-month follow-up(SD), ml/min	81.7(23.8)	96.0(20.0)	0.017*

^aRAS, renal artery stenosis;

^bCcr, creatinine clearance rate;

^ceGFR, estimated glomerular filtration rate.

^*P < 0.05.