Table 2.

IgM antiganglioside signal intensity in all groups.

Antibodies	Class	p significance
		PM vs. MM	PM vs. control	MM vs. control
Anti-GM1	IgM	0.017	0.032	0.04
Anti-GM2	IgM	0.006	0.002	0.04
Anti-GM3	IgM	0.011	0.043	0.05
Anti-GD1a	IgM	0.001	0.001	0.04
Anti-GD1b	IgM	0.02	0.013	0.05
Anti-GT1b	IgM	0.016	0.011	0.05
Anti-GQ1b	IgM	0.05	0.044	0.05

MM: metastatic melanoma, PM: primary melanoma, p: statistical significance.