Table 2.

Body weight in each group

Group (n=10)	Before intervention (g)	After intervention (g)	t	P
NC group	265.23±17.44	270.69±17.21	0.704	0.491
DN group	235.56±15.71*	213.26±14.22***	3.328	0.003
BM group	236.48±15.65*	252.36±16.78***,###	2.189	0.042
F	10.735	33.102
P	<0.001	<0.001

Note: Compared with the NC group;

^*P<0.05;

^***P<0.001.

Compared with the DN group;

^###P<0.001.

NC group: normal rats; DN group: rats with diabetic nephropathy; BM group: DN rats injected with BMMSC-Exo.