Skip to main content
. 2021 Jun 9;8:668534. doi: 10.3389/fmolb.2021.668534

TABLE 1.

Clinical and disease characteristics of breast cancer patients.

Early breast cancer Metastatic breast cancer
Whole group Triple negative
Characteristic n (%) n (%) Characteristic n (%)
Number of patients 140 31 (22.1) Number of patients 64
Age (years) Age (years)
Median (range) 55 (27–82) 56 (38–75) Median (range) 60 (30–82)
Menopausal status Menopausal status
Pre 53 (37.9) 12 (38.7) Pre 27 (42)
Post 87 (62.1) 19 (61.3) Post 37 (58)
Tumor size (cm) Performance status
T1 62 (44.3) 10 (32.3) 0–1 50 (78)
T2 70 (50) 19 (61.3) 2 14(22)
T3 8 (5.7) 2 (6.5)
Histological grade Histological Grade
I 5 (3.6) I/II 27 (42)
II 56 (40) III 33 (52)
III 67 (47.9) 7 (22.6) Unknown 4 (6)
Lobular 8 (5.7) 23 (74.3)
Unknown 4 (2.9) 1 (3.2)
Infiltrated lymph nodes Stage at diagnosis
0 60 (42.9) 21 (80.6) Recurrent 19 (30)
1–3 50 (35.7) 4 (12.9) de novo metastatic 45 (70)
≥4 30 (21.4) 6 (19.4)
ER status ER status
Positive 88 (62.9) Positive 50 (78)
Negative 52 (37.1) Negative 14 (22)
PR status PR status
Positive 88 (62.9) Positive 45 (70)
Negative 52 (37.1) Negative 19 (30)
Her2 status Her2 status
Positive 19 (13.6) Positive 16 (25)
Negative 121 (86.4) Negative 48 (75)
Adjuvant chemotherapy First line chemotherapy
Anthracyclines-based 10 (7.1) 2 (6.4) Taxane-based 40 (63)
Taxanes + Antracyclines 95 (67.9) 27 (87.0) Taxanes + Anthracyclines 2 (3)
Taxanes-based 26 (18.6) 2 (6.5) Anthracycline-based 15 (23)
Others 3 (2.1) Others 7 (11)
No 6 (4.3)
Relapse status Relapse status
Non-relapse 94 (67.1) 19 (61.3) Non-relapse 1 (1.6)
Relapse 46 (32.9) 12 (38.7) Relapse 63 (98.4)
Survival status Survival status
Alive 111 (79.3) 22 (71.0) Alive 9 (14.1)
Dead 29 (20.7) 9 (29.0) Dead 55 (85.9)
Response to treatment
PR 39 (61)
SD 10 (16)
PD 15 (23)
Visceral metastasis
Yes 55 (86)
No 9 (14)
Non visceral metastasis
Yes 53 (83)
No 11 (17)

ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor two; PR, partial response; SD, stable disease, PD, progressive disease.