| 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 |