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Table 2 Demographic data of HER2+ patients with preserved EF versus decreased EF following TRA exposure

From: Concomitant use of renin-angiotensin-aldosterone system inhibitors prevent trastuzumab-induced cardiotoxicity in HER2+ breast cancer patients: an institutional retrospective study

 

All Patients

Patients with Preserved EF

Patients with Decreased EF

OR

95% CI

p value

Total Number, n (%)

127

114 (89.0)

13 (11.3)

–

–

–

Age (years, mean ± SD)

57 ± 11

57 ± 11

55 ± 10

–

–

0.72

BMI (kg/m2, mean ± SD)

32 ± 8

32 ± 12

32 ± 8

–

–

1.0

Ethnicity, n (%)

 Black

64 (50)

57 (50.4)

7 (50)

1.0

0.3–2.8

1.0

 White

59 (46)

52 (45.1)

7 (50)

1.19

0.4–3.3

0.75

 Hispanic

5 (4)

5 (4.4)

–

–

–

–

Breast Cancer Hormonal Status, n (%)

 ER−/PR-

55 (43)

51 (44)

4 (28)

0.49

0.15–1.66

0.25

 ER−/PR+

1 (0.8)

1 (0.8)

–

–

–

–

 ER+/PR-

25 (19)

23 (20)

2 (14)

0.66

0.14–3.15

0.60

 ER+/PR+

47 (37)

39 (34)

8 (57)

2.56

0.83–7.91

0.10

AJCC Breast Cancer Stage, n (%)

 I

34 (27)

32 (28)

2 (14)

0.43

0.09–2.01

0.28

 II

59 (45)

51 (45)

8 (57)

1.64

0.53–5.05

0.38

 III

18 (12)

17 (13)

1 (7)

0.44

0.05–3.57

0.44

 IV

17 (13)

14 (12)

3 (21)

1.94

0.48–7.85

0.34

Chemotherapy Regimen, n (%)

 AC ➔ TRA

40 (31)

34 (30)

6 (43)

1.76

0.5–5.5

0.32

 Non-AC ➔ TRA

88 (68)

80 (70)

8 (57)

0.56

0.2–1.7

0.32

Ejection Fraction (%)

 Baseline (mean ± SD)

64 ± 7

64 ± 7

62 ± 9

–

–

0.16

 Median Decrease

      

 3 months

–

1 ± 7

10 ± 0

–

–

–

 6 months

–

3 ± 6

10 ± 10

–

–

–

 9 months

–

4 ± 11

17 ± 9

–

–

–

Past Medical History, n (%)

 Arrhythmia

6 (5)

4 (4)

2 (15)

4.58

0.76–27.7

0.09

 CAD

8 (6)

6 (5)

2 (15)

3.0

0.54–16.5

0.21

 DM

32 (25)

28 (25)

4 (31)

1.22

0.36–4.22

0.74

 HTN

78 (61)

69 (61)

9 (69)

1.17

0.37–3.73

0.78

Social History, n (%)

 Smoker

46 (36)

38 (33)

8 (57)

2.67

0.86–8.24

0.08

 Alcohol

23 (18)

21 (18)

2 (14)

0.73

0.15–3.55

0.70

Medications, n (%)

 Anti-RAAS

49

47 (32.4)

2 (23)

0.26

0.05–1.22

0.06

 BB

24

20 (17.5)

2 (30.7)

0.85

0.17–4.17

0.84

 CCB

22

20 (17.5)

2 (15.4)

0.85

0.17–4.17

0.84

 Loop diuretic

16

15 (13.1)

1 (7.7)

0.55

0.07–4.50

0.58

 Thiazide diuretic

31

29 (25.4)

2 (15.4)

0.48

0.11–2.54

0.37

 Statin

25

23 (20.2)

2 (15.4)

0.65

0.15–3.47

0.60

  1. Abbreviations: AC anthracycline, BB beta-blocker, CAD coronary artery disease, CCB calcium channel blocker, CKD chronic kidney disease, DM diabetes mellitus, ER estrogen receptor, HLD hyperlipidemia, HTN hypertension, OSA obstructive sleep apnea, PR progesterone receptor, RAAS renin-angiotensin-aldosterone system. p < 0.05 was considered statistically significant