Effect of sitagliptin combined with Yiqi yangyin huoxue decoction on clinical efficacy and hemorheology in early diabetic nephropathy

Table 4 Improvement in renal function in the two groups (mean ± SD)

Group	Time	OG (n = 50)	CG (n = 50)	t-value	P value
Cys-C (mg/L)	T0	1.59 ± 0.43	1.57 ± 0.45	0.333	0.74
	T1	1.57 ± 0.45	1.48 ± 0.39	−2.566	0.012
HCY (μmol/L)	T0	30.41 ± 5.73	30.44 ± 5.69	−0.018	0.986
	T1	19.28 ± 3.15	22.36 ± 4.28	−4.097	< 0.001
U-mAlb (mg/L)	T0	195.67 ± 15.28	195.73 ± 15.14	−0.017	0.987
	T1	162.38 ± 11.54	174.63 ± 13.45	−4.887	< 0.001
Cr (μmol/L)	T0	102.54 ± 9.47	102.71 ± 9.24	−0.096	0.924
	T1	89.24 ± 7.36	96.53 ± 8.47	-4.591	< 0.001

OG: Observation group; CG: Control group; Cys-C: Cystatin C; HCY: Homocysteine; U-mAlb: Urinary microalbumin; Cr: Blood creatinine.