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Table 1 Characteristics of study participants

From: Early- and late anthracycline-induced cardiac dysfunction: echocardiographic characterization and response to heart failure therapy

Demographics

Overall (n = 92)

Early (n = 49)

Late (n = 43)

p-value

Male

68 (74)

38 (78)

30 (70)

 

Body Mass Index (kg/m2)

24.5 (4.5)

24.8 (4.5)

24.1 (4.5)

0.422

Body Surface Area (m2)

1.9 (0.2)

1.9 (0.2)

1.9 (0.2)

0.536

Age at start cancer therapy (years)

48.2 (18.1)

52.2 (15.8)

43.7 (19.2)

0.024

Age at diagnosis ACD (years)

51.6 (16.2)

52.4 (16.1)

50.8 (16.2)

0.646

Malignancy

 Hematological

86 (94)

48 (98)

38 (88)

 

 Acute leukemia

44 (51)

32 (67)

12 (32)

 

 Non-Hodgkin’s lymphoma

6 (7)

1 (2)

5 (13)

 

 Hodgkin’s lymphoma

26 (30)

8 (17)

18 (47)

 

 Othera

10 (12)

7 (15)

3 (8)

 

 Breast cancer

2 (2)

0 (0)

2 (5)

 

 Other solid tumorsb

4 (4)

1 (2)

3 (7)

 

 Cumulative anthracycline dose (mg/m2), [IQR]

329 [200–329]

329 [180–329]

308 [200–400]

0.114

 Chest radiation

7 (8)

1 (2)

6 (14)

 

Functional class at diagnosis

 NYHA class I + II

86 (94)

47 (96)

39 (91)

 

 NYHA class III + IV

6 (6)

2 (4)

4 (9)

 

Electrocardiogram

 Heart rhythm

 

  Sinus rhythm

90 (98)

48 (98)

42 (98)

  Atrial fibrillation

2 (2)

1 (2)

1 (2)

  Heart axis

    

  Normal

82 (89)

42 (86)

40 (93)

 

  Left

8 (9)

5 (10)

3 (7)

 Right

2 (2)

2 (4)

0 (0)

 Ventricular conduction

 

  Normal

86 (93)

45 (92)

41 (95)

  Left bundle branch block

4 (4)

2 (4)

2 (5)

  Right bundle branch block

2 (2)

2 (4)

0 (0)

Cardiovascular risk factors

 Hypertension

19 (21)

7 (14)

12 (28)

 

 Diabetes Mellitus

9 (10)

3 (6)

6 (14)

 

 Hyperlipidemiac

12 (17)

5 (13)

7 (19)

 

 Smoking status

n = 80

n = 42

n = 38

 

 Former smoker

31 (39)

24 (57)

7 (18)

 Current smoker

13 (16)

6 (14)

7 (18)

 Never smoked

36 (45)

12 (29)

24 (64)

 Coronary / Peripheral Artery disease

13 (14)

8 (17)

5 (12)

 
  1. Categorical variables are expressed as n (%) and continuous variables as mean (standard deviation) or median [interquartile range]; aOther hematological malignancies included chronic myeloid leukemia (n = 4), multiple myeloma (n = 3), myelodysplastic syndrome (n = 2) and myelofibrosis (n = 1); bOther solid tumors included sarcomas (n = 3) and Wilms tumor (n = 1); c n = 75 patients (38 early ACD; 37 late ACD); ACD Anthracycline-induced cardiac dysfunction