Table 6. Multiple pairwise kendall tau-b correlations among Igκ, Igγ and other clinical indices.

	statistic	Igκ	Igκ	Igγ	Igγ	AJCC	SBR	Histotype	Axillary	Tumor
		intensity	(%)	intensity	(%)	stage	score		nodes	size
Igκ intensity	K-tau*	1	0.56	0.86	0.54	0.16	0.16	−0.29	0.05	−0.03
	P		0.00**	0.00**	0.00**	0.02**	0.02**	0.00**	0.41	0.63
Igκ(%)	K-tau		1	0.47	0.84	0.17	0.06	−0.43	0.14	−0.05
	P			0.00**	0.00**	0.01**	0.37	0.00**	0.02**	0.43
Igγ intensity	K-tau			1	0.57	0.12	0.18	−0.24	0.02	−0.04
	P			.	0.00**	0.07**	0.01**	0.00**	0.71	0.6
Igγ(%)	K-tau				1	0.15	0.05	−0.42	0.13	−0.06
	P				.	0.01**	0.43	0.00**	0.03**	0.33

^*K-tau is a nonparametric measure of correlation.

^**Statistically significant if p value <0.05.