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Table 1 Clinical and ultrasonographic parameters of the study population at baseline

From: Predictive role of renal resistive index for clinical outcome after revascularization in hypertensive patients with atherosclerotic renal artery stenosis: a monocentric observational study

  Overall population (n = 168)
Clinical parameters  
Age (years) 61.2 ± 11.3
Male sex (%) 64.9
BMI (Kg/m 2 ) 25.4 ± 3.8
Smoking (%) 30.2
Previous cardiovascular events (%) 25.9
Hypercholesterolemia (%) 73.1
Diabetes (%) 16.7
Hypertension duration (years) 8.6 ± 8.5
Systolic blood pressure (mmHg) 161.6 ± 21.2
Diastolic blood pressure (mmHg) 90.0 ± 13.8
Pulse pressure (mm Hg) 71.7 ± 16.9
Number of antihypertensive drugs 2.1 ± 0.9
RAS-blockers therapy 60.0
Antithrombotic therapy (%) 60.5
Cholesterol-lowering therapy (%) 37.5
Serum creatinine (mg/dl) 1.33 ± 0.61
Creatinine clearance (ml/min) 67.2 ± 28.9
Estimated GFR (ml/min/1.73 m 2 ) 61.1 ± 20.5
Albuminuria (mg/24 h) 98.9 ± 278.8
Ultrasonographic parameters Stenotic kidney Contralateral kidney
Resistive index 0.62 ± 0.12* 0.67 ± 0.09
Pulsatility index 1.09 ± 0.36* 1.22 ± 0.31
Renal longitudinal diameter 10.5 ± 1.3 10.7 ± 1.5
Renal to aortic ratio 4.1 ± 0.9* 1.7 ± 0.8
  1. *p < 0.05 vs contralateral kidney.