Table 1

Study population characteristics based on final diagnosis

ParametersTotal
(n=258)
Final diagnosisP value
Negative
(n=195)
Positive
(n=63)
Age: median (range)41 (18–80)40 (18–80)55 (26–78)<0.001
Menopause92 (35.7%)54 (27.7%)38 (60.3%)<0.001
Relevant medical history17 (6.6%)10 (5.1%)7 (11.1%)0.139
Family history of cancer38 (14.7%)31 (15.9%)7 (11.1%)0.418
Lump, swelling or mass in breast185 (71.7%)129 (66.2%)56 (88.9%)<0.001
Breast pain/tenderness unrelated to menstrual cycle147 (57.0%)126 (64.6%)21 (33.3%)<0.001
Texture change on breast12 (4.7%)10 (5.1%)2 (3.2%)0.736
Increase in breast size unrelated to menstrual cycle4 (1.6%)4 (2.1%)0 (0.0%)0.575
Thickening in and around breast or underarm area4 (1.6%)3 (1.5%)1 (1.6%)0.999
Other symptoms of breast cancer3 (1.2%)2 (1.0%)1 (1.6%)0.575