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Table 3 Patient characteristics at diagnosis according to pathological complete response

From: Mammographic density is a potential predictive marker of pathological response after neoadjuvant chemotherapy in breast cancer

  

pCRa

Non-pCR

Number of patients

 

57

245

Age

median (IQR)

55 (44–65)

53 (44–62)

BMI

median (IQR)

25 (22–28)

25 (23–28)

Number of pregnancies

0

4 (7.0)

34 (13.9)

1

9 (15.8)

37 (15.1)

2

16 (28.1)

85 (34.7)

3+

28 (49.1)

87 (35.5)

missing

 

2 (0.8)

Age at first birth

median (IQR)

29 (23–33)

28 (25–33)

Age at menarche

median (IQR)

13 (12–13)

13 (12–14)

Menopausal status

postmenopausal

35 (61.4)

131 (53.5)

premenopausal

22 (38.6)

114 (46.5)

Smoking

current

11 (19.3)

41 (16.7)

former

9 (15.8)

21 (8.6)

never

32 (56.1)

164 (66.9)

missing

5 (8.8)

19 (7.8)

Hormone replacement therapy

current

4 (7.0)

5 (2.0)

former

10 (17.5)

27 (11.0)

never

43 (75.4)

209 (85.3)

missing

 

4 (1.6)

Oral contraceptives

current

4 (7.0)

32 (13.1)

former

15 (26.3)

65 (26.5)

never

22 (38.6)

103 (42.0)

missing

16 (28.1)

45 (18.4)

  1. apathological complete response