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Table 1 Patient baseline characteristics. Results are presented as mean ± SD for normally distributed continuous variables, median (inter-quartile range) for non-normal variables and n (%) for categorical variables

From: Troponin T-release associates with cardiac radiation doses during adjuvant left-sided breast cancer radiotherapy

 

All (N = 58)

Group A (N = 12)

Group B (N = 46)

p-value*

Age

63 ± 6

65 ± 6

63 ± 7

0.37

BMI, kg/m2

27 ± 4

27 ± 5

27 ± 4

0.76

Hypertension

20 (34 %)

6 (50 %)

14 (30 %)

0.31

ACE or ARB

14 (24 %)

4 (33 %)

10 (22 %)

0.46

Beta-blocker

7 (17 %)

3 (25 %)

4 (9 %)

0.15

Calcium channel blocker

4 (7 %)

2 (17 %)

2 (4 %)

0.19

CAD

1 (2 %)

0 (0 %)

1 (2 %)

1.00

Statin use

13 (22 %)

3 (25 %)

10 (22 %)

1.00

Diabetes

4 (7 %)

1 (8 %)

3 (7 %)

1.00

Hypothyreosis

8 (14 %)

0 (0 %)

8 (17 %)

0.19

Current smoking

8 (14 %)

2 (17 %)

6 (13 %)

0.66

Hormonal therapy

23 (40 %)

4 (33 %)

19 (41 %)

1.00

AI

22 (38 %)

5 (42 %)

17(37 %)

0.75

Tamoxifen

2 (3 %)

0 (0 %)

2 (4 %)

1.00

Troponin T, ng/l

4 (4–6)

4(4–4.5)

4 (4–7)

 

Cholesterol, mmol/l

5.6 ± 1.1

5.5 ± 0.9

5.6 ± 1.1

0.90

BNP, ng/l

58 (37–124)

78 (33–123)

58 (41–125)

0.72

  1. BMI body mass index, ACE angiotensin converting enzyme, ARB angiotensin II receptor blockers, CAD coronary artery disease, Statin use hypercholesterolemia with statin use, Diabetes blood glucose lowering diabetic medication, ASA low dose daily acetylsalicylic acid, Hypothyreosis continuous thyroid hormone supplementation, AI aromatase inhibitor, BNP b-type natriuretic peptid
  2. * Independent samples t-test was used for normally distributed variables and Mann–Whitney U test for non-normal variables; Fisher’s exact test was used for categorical variables