Table 2.

Comparisons of glucose, serum creatinine, urea nitrogen and urine albumen/24 h in different groups ($\overline{x}$ ± s)

Group	Blood glucose mmol/L)	Serum creatinine (μmol/L)	Urea nitrogen (mmol/L)	Urine albumen mg/24 h)
NC	8.33 ± 0.97	26.50 ± 2.74	7.51 ± 1.62	4.16 ± 1.13
DM	25.75 ± 3.60**	53.50 ± 4.23**	18.14 ± 2.33**	16.55 ± 3.16**
B6(L)	23.19 ± 6.37**	36.70 ± 2.26**##	15.72 ± 2.55**#	12.97 ± 2.99**##
B6(M)	28.37 ± 3.37**	32.50 ± 3.41**##	14.18 ± 1.38**##	13.13 ± 1.26**#
B6(H)	26.89 ± 3.94**	44.20 ± 3.68**##	17.78 ± 0.89**	13.22 ± 1.28**#

Data were presented as means ± SD. *p < 0.05, **p < 0.01 vs. NC group; ^#p < 0.05, ^##p < 0.01 vs. DM group