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Table 1 Clinical, molecular and histopathological characteristics of triple-negative breast cancer patients

From: Clinical and molecular characteristics of triple-negative breast cancer patients in Northern Israel: single center experience

Characteristic N Percentage of total (%)
Age   
>60 years 31 25.40
≤60 years 91 74.60
No. of children   
0 24 19.8%
1-3 66 54.5%
4+ 31 25.6%
Missing 1  
Ethnicity   
Jewish 101 82.80
Arabic 21 17.20
1st degree family history   
Positive for breast cancer 30 24.60
Negative for breast cancer 92 75.40
BRCA 1–2 mutation   
Positive 22 73.33
Negative 8 26.67
Histopathological type   
Invasive ducal carcinoma 115 94.30
Medullary carcinoma 3 2.45
Infiltration lobular carcinoma 4 3.28
Involved lymph nodes a   
Absent 78 66
1-3 nodes 27 23
≥4 nodes 13 11
Tumor size   
≤2 cm 66 54.00
>2.1 cm 56 46
Surgical intervention b   
Lumpectomy 90 76.30
Mastectomy 28 23.7
Adjuvant chemotherapy c   
Yes 85 81
No 20 19
  1. Notes
  2. aExact number of involved lymph nodes missing in four patients.
  3. bFour patients who had metastatic disease at presentation were not included in surgical and chemotherapy treatment.
  4. cAdjuvant treatment data was missing for two patients, 11 patients received neoadjuvant treatment.