Overexpression of a panel of cancer stem cell markers enhances the predictive capability of the progression and recurrence in the early stage cholangiocarcinoma

Table 5 The correlation coefficients between immunohistochemistry result of CD44, CD44v6, CD44v8-10, and ALDH1A1 in human CCA tissues

		CD44	CD44v6	CD44v8-10	ALDH1A1
CD44	Correlation coefficient	1	0.203	0.170	− 0.018
CD44	p	1	0.007	0.023	0.816
CD44v6	Correlation coefficient		1	0.394	− 0.014
CD44v6	p		1	< 0.001	0.849
CD44v8-10	Correlation coefficient			1	− 0.077
CD44v8-10	p			1	0.849
ALDH1A1	Correlation coefficient				1
ALDH1A1	p				1

CD44 cluster of differentiation 44, CD44v CD44 variant, ALDH1A1 aldehyde dehydrogenase 1A1

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