Table 2 Clinical and ultrasonographic parameters of the study population at baseline according to renal function outcome
Benefit (n = 138) | Failure (n = 20) | |||
|---|---|---|---|---|
Clinical parameters | ||||
Age (years) | 60.3 ± 10.3† | 67.8 ± 10.1 | ||
Male sex (%) | 63.5† | 88.9 | ||
BMI (Kg/m 2 ) | 25.2 ± 3.6† | 27.5 ± 4.1 | ||
Current smoking (%) | 32.2 | 18.8 | ||
Previous cardiovascular events (%) | 28.7 | 37.5 | ||
Hypercholesterolemia (%) | 74.8 | 68.4 | ||
Diabetes (%) | 14.4 | 18.8 | ||
Hypertension duration (years) | 9.1 ± 8.5 | 6.1 ± 4.9 | ||
Systolic blood pressure (mmHg) | 161.7 ± 21.2† | 172.2 ± 21.0 | ||
Diastolic blood pressure (mmHg) | 91.5 ± 13.9 | 88.2 ± 13.8 | ||
Pulse pressure (mm Hg) | 70.5 ± 16.5† | 84.0 ± 14.9 | ||
Number of antihypertensive drugs | 2.1 ± 1.0 | 2.1 ± 1.0 | ||
RAS-blockers therapy | 72.2 | 100.0 | ||
Antithrombotic therapy (%) | 60.4 | 58.3 | ||
Cholesterol-lowering therapy (%) | 35.2 | 31.6 | ||
Serum creatinine (mg/dl) | 1.24 ± 0.42† | 2.06 ± 1.19 | ||
Creatinine clearance (ml/min) | 68.2 ± 25.6† | 50.2 ± 39.2 | ||
Estimated GFR (ml/min/1.73 m 2 ) | 63.3 ± 18.9† | 45.3 ± 24.1 | ||
Albuminuria (mg/24 h) | 90.8 ± 282.8 | 295.3 ± 464.5 | ||
Ultrasonographic parameters | Stenotic kidney | Contralateral kidney | Stenotic kidney | Contralateral kidney |
Resistive index | 0.61 ± 0.11*† | 0.66 ± 0.09† | 0.72 ± 0.11* | 0.76 ± 0.08 |
Pulsatility index | 1.04 ± 0.31*† | 1.19 ± 0.29† | 1.36 ± 0.37* | 1.45 ± 0.34 |
Renal longitudinal diameter | 10.7 ± 1.3 | 10.8 ± 1.6 | 10.4 ± 1.3 | 10.2 ± 1.7 |
Renal to aortic ratio | 4.3 ± 1.0* | 1.9 ± 1.1 | 3.8 ± 0.8* | 1.4 ± 0.9 |