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Table 1 Description of phenotypic characteristics of patients

From: E2F1 copy number variations in germline and breast cancer: a retrospective study of 222 Italian women

Patient characteristics Mean ± SD
No
Age at diagnosis (years) 60 ± 14.5
Menopausal status (N = 222)
 Premenopausal 40
 Perimenopausal 27
 Menopausal 155
Breast cancer (N = 222)
 Subtype
  HR+ 195
  Triple negative 6
  HER-2+ 21
Lymph node status (N = 219)
 Positive 89
 Negative 130
Tumour type (N = 222)
 Invasive ductal carcinoma (IDC) 161
 Ductal carcinoma in situ (DCIS) 12
 Lobular 35
 D & L 2
 Other 12
Histological grade (N = 199)
 I 21
 II 105
 III 73
Location (N = 211)
 Unilateral 204
 Bilateral 7
Familial history (N = 31)
 Yes 14
 No 17
Tumour size (N = 181)
 < 2 cm 107
 > 2 cm 74
Vascular invasion (N = 195)
 Yes 35
 No 160