Expression and significance of CD44s, CD44v6, and nm23 mRNA in human cancer

Table 3 Relationship between the expression of CD44s and CD44v6 and pathologic feature of human intraductal breast carcinoma

Pathologic	n	CD44s			CD44v6
features		Positive	%	P	Positive	%	P
Grade				>0.05			<0.05a
II	86	38	44.2		40	46.5
III	34	17	50		24	70.1
Invasion				<0.01b			<0.01b
+	58	35	60.3		44	75.9
–	62	20	32.3		20	32.3
Metastasis				<0.01d			<0.01d
+	30	21	70		23	76.7
–	90	34	37.8		41	45.6
Age(yr)				>0.05			>0.05
>50	66	31	47.1		34	51.5
<50	54	24	44.4		30	55.6
Normal	20	0	0		0	0

^aP<0.05 vs well-differentiated intraductal breast carcinoma;

^bP<0.01 vs without invasion;

^dP<0.01 vs without metastasis.