Table 3.
Associations between clinical and biochemical parameters and mean renal resistive index (RRI)
| Parameters | Mean RRI | |
|---|---|---|
| Beta | p-value | |
| Age (years) | − 0.2 | 0.057 |
| Age at onset (years) | − 0.2 | 0.275 |
| Duration of disease (years) | − 0.01 | 0.975 |
| Age at start of therapy (years) | − 0.01 | 0.930 |
| eGFR (mL/min/1.73 m2) | − 0.3 | 0.001 |
| SDS BMI | − 0.38 | 0.000 |
| CRP (mg/dl) | 0.3 | 0.003 |
| ERS (mm/h) | 0.6 | 0.000 |
| UAE | 0.2 | 0.050 |
| Disease state | 0.7 | 0.000 |
| JADAS | 0.7 | 0.000 |
The Spearman correlation analysis. SDS-BMI—standard deviation score-body mass index; e-GFR—estimated glomerular filtration rate; RRI—renal resistive index; ESR—erythrocyte sedimentation rate; CRP—C-reactive protein; r—correlation index