Table 2. Renal function indexes of rats in different groups.

Group	Renal index (mg/g)	BUN (mmol/L)	Scr (μmol/L)	24h UP (mg)
Normal control	1.41±0.17	6.82±1.45	22.46±2.58	6.47±1.26
Model	2.18±0.22*	11.52±1.98*	28.83±3.07*	62.73±11.73*
Exenatide-1	2.11±0.28*	10.77±1.46*	27.28±2.72*	58.29±10.63*
Exenatide-2	1.92±0.26*#%	9.02±1.07*#%	25.78±2.62*#%	42.63±8.51*#%
Exenatide-3	1.61±0.23#%&	8.82±1.97*#%	24.19±2.62#%&	34.68±7.27*#%&

^*P < 0.05 compared with normal control group; ^#P < 0.05 compared with model group; ^%P < 0.05 compared with exenatide-1 group; ^&P < 0.05 compared with exenatide-2 group. BUN, blood urea nitrogen; Scr, serum creatinine; 24h UP, 24-hour urine protein.