Table 2 Characteristics of the study population and the tumors on inclusion. Data are quoted as the number (percentage) or the median (range).
Demographic and health characteristics (n = 288) | |
|---|---|
Age, years | 55 (32–82) |
Past or current smokers | 79 (27.4%) |
Number of packets per year (n = 72) | 17.5 (0.5–51) |
Duration (years) | 28 (2–47) |
Current and/or past health conditions | |
History of heart disease | 94 (23.8%) |
Current diabetes | 43 (14.9%) |
Current dyslipidemia | 91 (28.3%) |
History of respiratory disease | 29 (10.1%) |
Family history of breast cancer | 122 (42.4%) |
BMI (kg/m2) | 26.5 (16.5–48.8) |
Normal weight | 111 (38.8%) |
Overweight (BMI ≥ 25) | 95 (33.2%) |
Obesity(BMI ≥ 30) | 80 (28%) |
WHO score | |
0 | 222 (79%) |
1 | 58 (20.6%) |
2 | 1 (0.4%) |
Breast size | |
Small (85A-B, 90A) | 31 (11.6%) |
Medium (85C, 90B-C, 95A-B) | 76 (28.4%) |
Large (> 85C, > 90C, > 95B) | 161 (60.1%) |
Tumor characteristics (n = 288) | |
|---|---|
Tumor side | |
Right | 130 (45.1%) |
Left | 142 (49.3%) |
Bilateral | 16 (5.6%) |
Histology | |
Invasive ductal carcinoma | 217 (75.4%) |
Invasive lobular carcinoma | 33 (11.4%) |
Other | 38 (13.2%) |
In situ component (n = 281) | 116 (41.3%) |
SBR grade | |
SBR I | 64 (24.2%) |
SBR II | 143 (54.2%) |
SBR III | 57 (21.6%) |
ER + (n = 286) | 243 (85.0%) |
PR + (n = 286) | 205 (71.7%) |
HER2 + (n = 273) | 42 (15.4%) |
Triple-negative (n = 288) | 28 (9.7%) |
pT grade (n = 265) | |
pT1 | 122 (46%) |
pT2 | 110 (41.5%) |
pT3 | 30 (11.3%) |
pT4 | 3 (1.1%) |
pN grade (n = 275) | |
pN0 | 60 (21.8%) |
pN1 | 158 (57.5%) |
pN2 | 42 (15.3%) |
pN3 | 15 (5.5%) |
