Table 3.

Comparison of serum creatinine levels duringfollow-up

Item	Before surgery	Six months after surgery	t	P
Serum creatinine (μmol/L)	118.92±23.23	95.45±25.62	2.351	0.028
cystatin C (mg/L)	1.16±0.21	0.93±0.24	2.498	0.020
eGFR (CKD-EPI) (mL·min-1 (1.73 m2)-1)	90.23±6.23	96.23±5.92	2.418	0.024

Note: eGFR: estimated glomerular filtration rate; CKD-EPI: Chronic Kidney Disease Epidemiology Collaboration.