Table 3

Patient characteristics of those with malignant histology versus those without.

Patients with Malignant Lesions

[n = 9]

Patients with non-malignant lesions

[n = 202]

P-value


Median age (range)

54 (45–75)

49 (22–78)

0.32

Family history

3 (33%)

33/199† (17%)

0.19

Hormone replacement therapy/oral contraceptive use

1 (11%)

55/188† (29%)

0.45

Premenopausal

4 (44%)

104 (51%)†

0.7

Associated lump

2 (22%)

17 (8%)

0.19

    Discharge colour

Serous

0 (0%)

33 (16%)

0.36

Bloody

9 (100%)

141 (70%)

0.06

Serosanguinous

0 (0%)

2 (1%)

1

Other

0 (0%)

26 (13%)

0.6

Brown

0 (0%)

5 (2%)

1

Milky/pus

0 (0%)

8 (4%)

1

Green

0 (0%)

13 (6%)

1

Unilateral

9 (100%)

191 (95%)

1

Bilateral

0 (0%)

11 (5%)

1

Uniductal

8 (89%)

150 (78%)†

0.45

Multiductal

1 (11%)

42 (22%)

0.45

Unspecified

10

Spontaneous

7 (78%)

152 (79%)

1

Expressed

2 (22%)

41 (21%)

1

Unspecified

9

    Radiology

Mammography

n = 9

n = 172

Normal/benign findings (BIRADS 1 or 2)

9 (100%)

164 (95%)

1

Abnormal findings (BIRADS 3–5)

0 (0%)

8 (5%)

1

Ultrasound

n = 2

n = 31

Normal findings (BIRADS 1–2)

1 (50%)

26 (84%)

0.3

Abnormal findings (BIRADS 3–5)

1 (50%)*

5 (16%)

0.3


†Percentages are expressed of available data

* 'Fibroadenoma'

Dillon et al. BMC Cancer 2006 6:164   doi:10.1186/1471-2407-6-164

Open Data