Table 1.

Blood glucose levels of rats in different experimental groups

Group	n	Blood glucose(mmol/L)
		Before model establishment	Before treatment	After treatment
Normal	8	6.6±0.2	6.6±0.4	6.9±0.7
DR	8	6.9±0.7	23.8±2.2**	25.1±1.4**
DR+GLP-1	8	6.7±0.3	23.7±2.1**	18.2±1.1##

Annotation: Compared with normal group before treated, ^**P<0.01; Compared with DR group after treated, ^##P<0.01.