Table 2. P-values obtained by Wilcoxon rank-sum testing and Kruskal-Wallis testing functional similarity of the intra-cluster, inter-cluster and ran-domly selected miRNAs.

	Wilcoxon rank-sum test			Kruskal-Wallis test
	intra-inter	intra-random	inter-random	Intra-inter-random
Wang’s method	3.02E-211	3.23E-206	1.53E-02	1.17E-209
Xuan’s method	5.58E-223	1.15E-217	1.27E-02	2.23E-221
CSD+BMA	4.46E-226	1.09E-220	1.20E-02	1.79E-224
MFSP	0.00E-00	0.00E-00	2.50E-03	0.00E-00