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Table 4 Patient characteristics in those with specific lesions on excision versus those with non-specific findings or duct ectasia.

From: The role of major duct excision and microdochectomy in the detection of breast carcinoma

  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