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Table 1 Baseline characteristics of the elderly acute heart failure patients with and without worsening renal function

From: Early drop in systolic blood pressure, heart rate at admission, and their effects on worsening renal function in elderly patients with acute heart failure

Baseline characteristics

Total (n = 245)

 

WRF

Yes (n = 36)

No (n = 209)

Age, yrs

82.9 ± 6.0

82.3 ± 6.4

83.1 ± 6.0

Male, %

49.4

41.7

50.7

Body weight at assessment, kg

50.1 ± 12.0

48.4 ± 14.3

50.5 ± 11.5

Clinical scenario 1, %

41.2

58.3*

38.3

Clinical scenario 2, %

30.6

16.7*

33.0

Clinical scenario 3, %

8.2

8.3

8.1

Clinical scenario 4, %

13.1

13.9

12.4

Ejection fraction, %

45.6 ± 14.7

42.5 ± 13.0

46.2 ± 14.9

Current smoking, %

25.3

27.8

24.9

Daily alcohol intake, %

20.4

11.1

22.0

Hypertension, %

78.3

91.7*

76.0

Diabetes mellitus, %

33.9

33.3

34.0

Lipid disorder, %

44.4

44.4

38.8

Chronic atrial fibrillation, %

23.6

22.2

23.9

Baseline laboratory values:

 Log BNP

6.07 ± 1.2

6.38 ± 0.9

6.01 ± 1.2

 Hemoglobin, g/dL

11.8 ± 2.1

11.7 ± 2.2

11.8 ± 2.1

 BUN, mg/dL

31.5 ± 17.3

30.7 ± 16.5

31.6 ± 17.5

 Serum creatinine, g/dL

1.50 ± 1.0

1.61 ± 1.0

1.47 ± 1.0

Medication at baseline:

 ACEI use, %

8.17

2.78

9.1

 ARB use, %

45.3

52.8

44.0

 CCB use, %

40.0

36.1

40.7

 Beta-blocker, %

29.0

36.1

27.8

 Loop diuretics, %

50.0

58.3

48.6

Medication during admission:

 I.V. loop diuretic use, %

75.5

88.9*

73.2

 I.V. isosorbide dinitrate, %

27.8

50.0**

23.9

 I.V. carperitide use, %

7.8

5.6

8.1

Blood pressure and heart rate parameters:

 Systolic blood pressure admission, mmHg

140 ± 32

158 ± 37***

137 ± 30

 Diastolic blood pressure at admission, mmHg

76.5 ± 19

78.5 ± 18

76.1 ± 20

 Heart rate at admission, mmHg

88.1 ± 28

79.3 ± 21*

89.6 ± 29

 Early systolic blood pressure drop, mmHg

35.3 ± 31

51.3 ± 30***

32.5 ± 30

  1. Data are mean ± standard deviation or as percentages. Analysis of variance for continuous variables and the χ2 test for qualitative variables were used.*p < 0.05, **p < 0.01, ***p < 0.001 compared to the no-worsening renal function group. BNP indicates B-type natriuretic peptide; BUN, blood urea nitrogen; ACEI, angiotensin-converting enzyme inhibitor; ARB, angiotensin II receptor blocker; CCB, calcium channel blocker; I.V., intravenous; WRF, worsening renal function