Research Article

Polymorphisms in Survivin (BIRC5 Gene) Are Associated with Age of Onset in Breast Cancer Patients

Table 1

Patient clinicopathological characteristics.

CharacteristicNo. of patients (%)

Age at diagnosis (years)

< 401 (3.8)
40-509 (34.6)
50-608 (30.8)
> 608 (30.8)

Years since operation

58 (30.8)
1015 (57.7)
153 (11.5)

Histological grade

14 (14.8)
212 (44.4)
310 (37.0)
N.A1 (3.7)

Tumour size

1 (≤ 2 cm)20 (74.1)
2 (> 2 ≤ 5 cm)6 (22.2)
3 (> 5 cm)1 (3.7)

Oestrogen receptor status

Positive21 (77.8)
Negative6 (22.2)

Progesterone receptor status

Positive16 (59.3)
Negative11 (40.7

Her2 status

Positive2 (7.4)
Negative22 (81.5)
N.A.3 (11.1)

Lymph node status

Positive11 (40.7)
Negative16 (59.3)

Pathologic Characteristics

Invasive ductal carcinoma22 (81.5)
Medullary carcinoma2 (7.4)
Invasive lobular carcinoma1 (3.7)
Mixed invasive ductal/lobular carcinoma1 (3.7)
Papillary carcinoma1 (3.7)

Ki67 status

Positive12 (44.4)
Negative12 (44.4)
N.A.3 (11.1)

Patient data not available.