Table 2 Patient characteristics

Median age, years (range)

49.5 (28–70)

Median BMI, kg/m² (range)

26.2 (18.3–42.0)

Clinical T stage

cT1 or cT2

123 (56.9 %)

cT3 or cT4

93 (43.1 %)

Clinical N stage

cN0

101 (46.8 %)

cN+

115 (53.2 %)

Tumor type

Ductal

128 (59.3 %)

Lobular

38 (17.6 %)

Other

18 (8.4 %)

Unknown

32 (14.8 %)

HR status

ER+ and/or PR+

180 (83.3 %)

ER– and PR–

36 (16.7 %)

Allocated treatment

TAC

109 (50.5 %)

TAC + ZA

107 (49.5 %)

pCR breast and LN

Yes

25 (11.6 %)

No

184 (85.2 %)

Unknown

7 (3.2 %)

MP breast

1

33 (15.3 %)

2

56 (25.9 %)

3

41 (19.0 %)

4

42 (19.4 %)

5

35 (16.2 %)

Unknown

9 (4.2 %)