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. 2022 Sep 12;12:926920. doi: 10.3389/fonc.2022.926920

Table 2.

Clinical characteristics of the neoadjuvant chemotherapy (NAC) and non-NAC patients.

Variables Non-NAC (n = 50) NAC (n = 29) Total (n = 79)
Age (years) 54.36 ± 8.48 50.38 ± 8.62 52.90 ± 8.69
Age of menarche(years) 14.94 ± 1.60 14.28 ± 1.60 14.70 ± 1.62
Menopausal status (%) Premenopausal 22 (44.00) 13 (44.83) 35 (44.30)
Postmenopausal 28 (56.00) 16 (55.17) 44 (55.70)
Status of hormone receptor of breast tumors (%) ER+ 30 (60.00) 19 (65.52) 49 (62.03)
ER− 20 (40.00) 10 (34.48) 30 (37.97)
HER2+ 20 (40.00) 10 (34.48) 30 (37.97)
HER2− 30 (60.00) 19 (65.52) 49 (62.03)
Non-TNBC 40 (80.00) 24 (82.76) 64 (81.01)
TNBC 10 (20.00) 5 (17.24) 15 (18.99)
Tumor grade (%) Grade 1/2 28 (56.00) 18 (62.07) 46 (58.23)
Grade 3 20 (40.00) 9 (31.03) 29 (36.71)
Unknown 2 (4.00) 2 (6.90) 4 (5.06)