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Table 4 Baseline characteristics and changes in renal function and exercise capacity between active and non-active participants

From: Association between chronic kidney disease and physical activity level in patients with ischemic heart disease

 

All patients

(n = 182)

Active participants

(n = 18)

Non-active participants

(n = 164)

P

Age (years)

64.0 ± 10.7

66.2 ± 9.8

63.7 ± 10.8

0.35

Gender (% male)

85.2

83.3

85.4

0.73

Height (m)

1.63 ± 0.08

1.64 ± 0.09

1.63 ± 0.08

0.58

Weight (kg)

64.1 ± 11.8

65.9 ± 14.4

63.9 ± 11.5

0.51

Body mass index (kg/m2)

23.9 ± 3.4

24.3 ± 4.4

23.9 ± 3.2

0.61

Unemployed (%)

47.8

61.1

46.3

0.32

Intervention for IHD

   

0.54

 CABG (%)

20.3

11.1

21.3

 

 PCI (%)

79.7

88.9

78.7

 

Comorbidities (%)

 Cerebrovascular disease

8.8

11.1

8.5

0.66

 Orthopedic disorder

19.9

23.5

19.5

0.75

 Diabetes mellitus

40.1

38.9

40.2

1.00

Smoking (%)

   

0.17

 Current

35.9

17.6

37.8

 

 Former

35.4

53.0

33.5

 

 Never

28.7

29.4

28.7

 

Laboratory data

 Hemoglobin (g/dL)

12.9 ± 1.64

12.7 ± 1.36

13.0 ± 1.70

0.49

 Peak creatine kinase (IU/L)

2367 ± 2536

2719 ± 3102

2330 ± 2479

0.55

 Albumin (g/dL)

3.94 ± 0.42

3.91 ± 0.45

3.94 ± 0.41

0.74

 High-sensitive CRP (mg/dL)

0.76 ± 1.24

0.43 ± 0.44

0.79 ± 1.29

0.25

Left ventricular ejection fraction (%)

51.2 ± 13.7

50.0 ± 13.9

51.3 ± 13.7

0.70

Ankle-brachial index

1.08 ± 0.12

1.09 ± 0.14

1.08 ± 0.12

0.65

Duration of hospital stay (days)

25.9 ± 16.4

22.9 ± 6.73

26.3 ± 17.1

0.41

eGFR (mL/min/1.73 m2)

 At baseline (hospital discharge)

61.6 ± 19.2

58.8 ± 20.6

61.9 ± 19.1

0.52

 At 3 months

59.6 ± 20.5

61.8 ± 17.2

59.4 ± 20.9

0.68

 Δ eGFR (mL/min/1.73 m2)

−0.97 ± 13.9

4.77 ± 19.7

−1.53 ± 13.2

0.12

6-min walk distance (m)

 At baseline (hospital discharge)

469.5 ± 99.8

451.8 ± 85.3

471.5 ± 101.3

0.43

 At 3 months

516.5 ± 110.2

511.9 ± 88.1

517.0 ± 112.6

0.86

 Δ 6-min walk distance (m)

46.9 ± 62.4

60.1 ± 37.8

45.5 ± 64.5

0.35

  1. Values are expressed as mean ± standard deviation or percentage
  2. CABG coronary artery bypass graft, CKD chronic kidney disease, CRP C-reactive protein, eGFR estimated glomerular filtration rate, IHD ischemic heart disease, PCI percutaneous coronary intervention