Table 1 Description of the study sample (n = 102)
Categorical variables | Frequency (%) |
|---|---|
Sociodemographic parameters and lifestyle habits | |
Place of residence | |
Urban | 72 (70.6) |
Rural | 30 (29.4) |
Education | |
Primary education | 21 (20.6) |
Secondary education | 44 (43.1) |
Technological educational institute | 10 (9.8) |
University | 22 (21.6) |
Postgraduate university education | 5 (4.9) |
Professional risk | |
Low (permanent employees and housewives) | 68 (66.7) |
High (non-permanent job or self-employed) | 34 (33.3) |
Marrital status | |
Married/living with partner | 84 (82.3) |
Single | 7 (6.9) |
Divorced | 5 (4.9) |
Widowed | 6 (5.9) |
Current smoking | |
Yes | 27 (26.5) |
No | 75 (73.5) |
Breast-related parameters | |
Mastalgia | |
Yes | 30 (29.4) |
No | 72 (70.6) |
Presence of fibrocystic disease | |
Yes | 47 (46.1) |
No | 55 (53.9) |
Breast cancer history in a first-degree relative | |
Yes | 8 (7.8) |
No | 94 (92.2) |
Reproductive history | |
Menopausal status | |
Premenopausal | 43 (42.2) |
Postmenopausal | 59 (57.8) |
Number of prior caesarian sections | |
None | 86 (84.3) |
One | 7 (6.9) |
Two | 7 (6.9) |
Three | 2 (1.9) |
VABB-related features and histological classification | |
Histological classification | |
Nonproliferative lesions | |
Mild epithelial hyperplasia | 9 (8.8) |
Ductal ectasia | 5 (4.9) |
Nonsclerosing adenosis | 1 (1.0) |
Periductal fibrosis | 4 (3.9) |
Multiple coexisting nonproliferative lesions | 15 (14.7) |
Proliferative lesions | |
Moderate ductal hyperplasia without atypia | 15 (14.7) |
Sclerosing adenosis | 7 (6.9) |
Radial scar | 1 (1.0) |
Intraductal papilloma | 5 (4.9) |
Intraductal papillomatosis | 1 (1.0) |
Multiple coexisting proliferative lesions | 13 (12.7) |
Fat necrosis | 1 (1.0) |
Fibroadenomas | |
Without coexisting lesions | 11 (10.8) |
With coexisting nonproliferative lesions | 8 (7.8) |
With coexisting proliferative lesions | 6 (5.9) |
BI-RADS classification | |
BI-RADS 3 | 36 (35.3) |
BI-RADS 4 | 66 (64.7) |
Hematoma | |
Yes | 7 (6.9) |
No | 95 (93.1) |
Biopsy season | |
Spring | 28 (27.5) |
Summer | 26 (25.4) |
Autumn | 31 (30.4) |
Winter | 17 (16.7) |
Continuous variables | Mean ± SD (median) |
Age (years) | 51.3 ± 8.8 (50.5) |
BMI (kg/m2) | 25.4 ± 3.9 (24.8) |
Personal income (euro) | 870 ± 860 (735) |
Number of offspring | 1.8 ± 1.0 (2.0) |
Volume of tissue excised (cc) | 4.0 ± 3.2 (3.0) |