Application of urinary N-acetyl-β-D-glucosaminidase combined with serum retinol-binding protein in early detection of diabetic nephropathy

Table 1 Comparison of data between two groups

Indicators	Group A (n = 50)	Group B (n = 50)	Statistical value	P value
Gender, n (%)			χ2 = 0.164	0.685
Male	30 (60.00)	28 (56.00)
Female	20 (40.00)	22 (44.00)
Age (mean ± SD, yr)	43.12 ± 5.02	43.25 ± 5.12	t = 0.128	0.898
Duration of diabetes (mean ± SD, yr)	2.1 5 ± 0.52	2.23 ± 0.55	t = 0.747	0.457
Combined hyperlipidemia, n (%)			χ2 = 0.164	0.685
Yes	20 (40.00)	22 (44.00)
No	30 (60.00)	28 (56.00)
Combined hypertension, n (%)			χ2 = 0.170	0.680
Yes	18 (36.00)	20 (40.00)
No	32 (64.00)	30 (60.00)
Urine NAG (mean ± SD, U/L)	14.05 ± 2.20	19.45 ± 3.68	t = 8.906	< 0.001
Serum RBP (mean ± SD, mg/L)	43.56 ± 5.50	84.98 ± 15.70	t = 17.606	< 0.001

NAG: N-acetyl-β-D-glucosaminidase; RBP: Retinol-binding protein.