Table 4

Patient characteristics in those with specific lesions on excision versus those with non-specific findings or duct ectasia.

Non-specifc findings/Duct ectasia

[n = 111]

Specific Lesion

[n = 100]

P-value


Median age (range)

49 (22–78)

49 (26–75)

0.7

Family history

17/108 (16%)

20/97 (21%)

0.37

Hormone replacement therapy/oral contraceptive use

36/101 (36%)

20/95 (21%)

0.024

Premenopausal

56(50%)

52 (52%)†

0.86

Associated lump

10/109 (9%)

9/99 (9%)

0.98

    Discharge colour

Serous

12 (11%)

21 (21%)

0.042

Bloody

77 (69%)

75 (75%)

0.36

Other

22 (20%)

4 (4%)

<0.001

Brown

4 (4%)

1 (1%)

0.37

Milky/pus

7 (6%)

1 (1%)

0.068

Green

11 (10%)

2 (2%)

0.017

Unilateral

103 (93%)

97 (97%)

0.17

Bilateral

8 (7%)

3 (3%)

0.17

Uniductal

73 (66%)

85 (85%)

0.006

Multiductal

30 (27%)

13 (13%)

0.006

Unspecified

8 (7%)

2 (2%)

Spontaneous

85 (77%)

74 (74%)

0.59

Expressed

21(19%)

22 (22%)

0.59

Unspecified

5 (5%)

4 (4%)

    Radiology

Mammography

n = 94

n = 87

Normal/benign findings (BIRADS 1 or 2)

88 (94%)

85 (98%)

0.28

Abnormal findings (BIRADS 3–5)

6 (6%)

2 (2%)

0.28

Ultrasound

n = 16

n = 17

Normal findings (BIRADS 1–2)

15 (94%)

12 (71%)

0.18

Abnormal findings (BIRADS 3–5)

1 (6%)

5 (29%)

0.18


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

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