Table 4.

Kruskal–Wallis H test statistics for the antitumor effect of CFZ in B16-F1 tumor-bearing mice.

Days	N	Chi-Square (χ2)	Degree of Freedom (df)	Significance (p)
0	20	3.909	3	0.271
1	20	6.020	3	0.111
2	20	13.118	3	0.004 **
3	20	13.674	3	0.003 **
4	20	14.842	3	0.002 **
5	20	12.389	3	0.006 **
6	20	16.419	3	0.001 **
7	20	15.642	3	0.001 **
8	20	15.915	3	0.001 **
9	20	17.010	3	0.001 **

N: the sum of sample sizes for all samples. ** p < 0.01.