Table 1.

Mortality rates of the six groups of rats.

	Normal	Model	Group 1	Group 2	Group 3	Group 4
Mortality	0	58.8*	25#	8.3#,&	33.3#	16.7#,&
Rate	(0/15)	(10/17)	(3/12)	(1/12)	(4/12)	(2/12)

Data is presented as% (n/total);

^*P<0.05 compared with Normal control;

^#P<0.05 compared with Model group;

^&P<0.05 compared with Group 1 or Group 3.