Table 3. Comparison of pathological stages among different HCC groups.

Group	HCC-A	HCC-N	HCC-B	HCC-C	HCC-AB	HCC-AC	HCC-NAF	Chi-Square	DF	p
Mean rank	168.53	167.24	118.45	128.89	104.90	109.31	111.00	33.012	6	1.429E-5**

Notes:

Method: Mann–Whitney U tests for several independent samples. DF, degrees of freedom.

^**p < 0.01; p < 0.05 was considered to be statistically significant.