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Table 1 Baseline characteristics comparing medical therapy versus revascularization patients

From: Cardiac structure and function after revascularization versus medical therapy for renal artery stenosis: the ASTRAL heart echocardiographic sub-study

 

Medical (N = 50)

Revascularization (N = 42)

p

Demographic

 Mean age (range) – years

71 (51–86)

70 (53–86)

0.90

 Male sex – no. (%)

34 (68%)

33 (79%)

0.26

Clinical

 Smoking status – no./total no (%)

  Current smoker

11/46 (24%)

8/36 (22%)

0.86

  Former smoker

24/46 (52%)

19/36 (53%)

0.96

 Coexisting conditions – no./total no (%)

  Diabetes

15/47 (32%)

13/37 (35%)

0.76

  Coronary heart disease

25/47 (53%)

22/37 (59%)

0.57

  Peripheral vascular disease

20/46 (43%)

17/37 (46%)

0.82

  Stroke

14/47 (30%)

8/37 (22%)

0.40

  Need for dialysis

0

0

–

Renal Function

 Mean serum creatinine (range) – μmol/litre

165 (64–326)

170 (68–534)

0.76

 Mean eGFR (range) – ml/min

43.0 (17.0–79.7)

44.7 (15.4–89.8)

0.65

 Mean proteinuria (range) – g/day

0.45 (0.01–2.20)

0.42 (0.00–1.70)

0.90

Related Measures

 Mean systolic BP (range) – mmHg

152 (90–220)

146 (103–196)

0.36

 Mean diastolic BP (range) – mmHg

74 (57–97)

74 (45–102)

0.93

 Mean total cholesterol (range) – mmol/litre

4.5 (2.8–7.9)

4.3 (2.3–6.5)

0.43

Renal Physiology

 Mean stenosis (range) – %

73.6 (50–99)

71.2 (50–95)

0.41

 Severity of stenosis- no (%) 50–70%

26 (52%)

25 (60%)

0.47

  > 70%

24 (48%)

17 (40%)

–

 Mean bipolar kidney length (range) – cm

9.6 (7.0–11.9)

9.7 (6.4–12.5)

0.70

Use of Concomitant medication

 Mean no. of antihypertensive drugs (range)

3.0 (1–5)

2.9 (1–5)

0.66

 Any antiplatelet drug – no./total no. (%)

38/47 (81%)

31/37 (84%)

0.73

 Lipid lowering therapy – no./total no. (%)

43/46 (93%)

29/37 (78%)

0.04

 Warfarin – no./total no. (%)

2/47 (4%)

5/36 (14%)

0.12

  1. Key: BP blood pressure, eGFR estimated glomerular filtration rate