Table 1

Clinicopathological data of the patients and their relationships with ERBB2 expression

Characteristic
n
(Percentage)
ERBB2 expression (percentage)
P value



(0/1+/2+)
(3+)


Number of patients
55
(100)
40
(73)
15
(27)

Tumor size






NS
     T1
20
(36)
16
(80)
4
(20)

     T2
29
(53)
20
(69)
9
(31)

     T3
6
(11)
4
(67)
2
(33)









Lymph node status






NS
     Negative
33
(60)
24
(73)
9
(27)

     Positive
22
(40)
16
(73)
6
(27)









Grade







     Not determined
3
(5)
/




     I
12
(22)
29
(83)
6
(17)
0.060
     II
23
(42)





     III
17
(31)
10
(59)
7
(41)









Histological type






NS
     Ductal
40
(73)
28
(70)
12
(30)

     Lobular
7
(13)
5
(71)
2
(29)

     Other
8
(14)
7
(87)
1
(13)









ER status






0.035
     Positive
42
(76)
34
(81)
8
(19)

     Negative
13
(24)
6
(46)
7
(54)









PR status






0.022
     Positive
32
(58)
27
(84)
5
(16)

     Negative
23
(42)
13
(57)
10
(43)









Menopausal status






NS
     Premenopausal
9
(16)
8
(89)
1
(11)

     Postmenopausal
46
(84)
32
(70)
14
(30)









Ki67






0.018
     Low
29
(53)
25
(86)
4
(14)

     High
26
(47)
15
(58)
11
(42)









p53






0.052
     Low
46
(84)
36
(78)
10
(22)

     High
9
(16)
4
(44)
5
(56)


ER, estrogen receptor; grade, Elston-Ellis modification of Bloom grade; NS, not significant; PR, progesterone receptor.

Allouche et al. Breast Cancer Research 2008 10:R9   doi:10.1186/bcr1851