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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