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Table 1 Clinicopathological characteristics of the patients

From: Prognostic contribution of mammographic breast density and HER2 overexpression to the Nottingham Prognostic Index in patients with invasive breast cancer

Characteristic Number of cases (%)
Patient number 270
Age (Years)  
 Mean 58.8
 Range 32–86
Postmenopausal (%) 66.3 %
Mean tumor size (mm) 22.73
 VLD patients 21.47 (6–60)
 MID patients 23.46 (3–90)
Mean BMI 26.70
 VLD patients 25.46 (20.24–46.87)
 MID patients 28.84 (17.96–41.53)
HER2 positive 133 (49.3 %)
Triple Negative 17
Tumor Pathological T classification
 T1 152 (56.3 %)
 T2 95 (35.2 %)
 T3 10 (3.7 %)
 T4 13 (4.8 %)
Tumor N classification
 N0 100 (37.0 %)
 N1 117 (43.3 %)
 N2 34 (12.6 %)
 N3 19 (7.0 %)
Definitive histology
 Ductal 223 (82.6)
 Lobular 26 (9.6 %)
 Mucinous 4 (1.5 %)
 Other 17 (6.3 %)
Histological grade
 1 22 (8.1 %)
 2 120 (44.4 %)
 3 128 (47.4 %)
Follow up time / years
 Mean 8.03
 Range 0.39–13.22