Table 3

Association of CD44/CD24 phenotypes with breast cancer subgroups.

Phenotype
All tumors (n = 232)
SR+HER2- (n = 150)
SR+HER2+ (n = 14)
SR-HER2+ (n = 24)
SR-HER2-
P valuea












Basal-like (n = 30)
Nonbasal (n = 14)


CD44






0.001
     Positive (> 0%)
75 (32)
47 (31)
2 (14)
4 (17)
19 (63)
3 (21)

     Negative
157 (68)
103 (69)
12 (86)
20 (83)
11 (37)
11 (78)

CD24






0.035
     Positive (> 0%)
108 (47)
65 (43)
8 (57)
18 (75)
12 (40)
5 (36)

     Negative
124 (53)
85 (57)
6 (43)
6 (25)
18 (60)
9 (64)

CD44+/CD24-






< 0.001
     Positive (> 0%)
73 (31)
47 (31)
2 (14)
2 (8)
19 (63)
3 (21)

     Negative
159 (69)
103 (69)
12 (86)
22 (92)
11 (37)
11 (79)

CD44-/CD24+






0.027
     Positive (> 0%)
106 (46)
63 (42)
8 (57)
18 (75)
12 (40)
5 (36)

     Negative
126 (54)
87 (58)
6 (43)
6 (25)
18 (60)
9 (64)

CD44+/CD24+






0.61
     Positive (> 0%)
14 (6)
9 (6)
0 (0)
3 (12)
2 (7)
0 (0)

     Negative
218 (94)
141 (94)
14 (100)
21 (88)
28 (93)
14 (100)

CD44-/CD24-






0.28
     100%
78 (28)
57 (31)
4 (24)
5 (18)
6 (18)
6 (40)

     < 100%
197 (72)
125 (69)
13 (76)
23 (82)
27 (82)
9 (60)


Data presented as n (%). SR, steroid receptor. aP values were calculated using Fisher's exact test.

Honeth et al. Breast Cancer Research 2008 10:R53   doi:10.1186/bcr2108