Table 1 Association of CD44 with molecular characteristics of breast tumors

CD44

+

84/141 (60%)

N/A

-

57/141 (40%)

N/A

ER

+

121/140 (86%)

73/121 (60%)

0.025 Mann-Whitney,

0.019 t test

-

19/140 (14%)

16/19 (84%)

PR

+

96/140 (69%)

56/96 (58%)

0.021 Mann-Whitney,

0.025 t test

-

44/140 (31%)

33/44 (75%)

Her2

+

13/133 (10%)

75/120 (63%)

Not significant

-

120/133 (90%)

8/13 (62%)

Basal

+

15/135 (11%)

13/15 (87%)

0.018 Mann-Whitney,

0.021 t test

-

120/135 (89%)

72/120 (60%)

Triple negative

+

15/135 (11%)

13/15 (87%)

0.018 Mann-Whitney,

0.021 t test

-

120/135 (89%)

72/120 (60%)

Expression of CD44 is expressed as a percentage of patients in individual clinical classifications (first column).