Table 1.

Comparison of body weight and incidence of hepatic metastases

	Group A	Group B
Body weight (¯x ± s, g)
0	16.74 ± 0.94	16.96 ± 0.90
1st week	16.55 ± 0.82	16.64 ± 0.80
2nd week	16.11 ± 0.79	15.68 ± 0.68b
3rd week	15.35 ± 0.81b	15.05 ± 0.87b
Weight decreasing rate (¯x ± s, %)
1st week	1.23 ± 0.82	1.74 ± 1.40
2nd week	3.70 ± 1.12d	7.48 ± 2.14
3rd week	8.25 ± 2.65c	11.27 ± 2.79
Incidence of hepatic tumor
Grade I	0	0
Grade II	70% (7/10)e	20% (2/10)
Grade III	30% (3/10)e	80% (8/10)

^bP < 0.01 vs before experiment;

^cP < 0.05,

^dP < 0.01, group A vs group B.