Table 6.
Variables Tested by the Univariate Linear Regression Model (n=50)
| P value | ||
|---|---|---|
| Predictor variables | KIM-1 | NAG |
| Baseline identifiers | ||
| Age | 0.971 | 0.331 |
| Sex | 0.228 | 0.528 |
| BMI category | 0.082 | 0.696 |
| CKI class | 0.049 | 0.041 |
| Past medical history | ||
| HTN | 0.312 | 0.225 |
| DM | 0.474 | 0.559 |
| CVD | 0.870 | 0.614 |
| Renal influencing medications | 0.599 | 0.941 |
| Previous SWL | 0.071 | 0.077 |
| Present stone factors | ||
| Side | 0.225 | 0.725 |
| Location | 0.749 | 0.914 |
| Largest dimension | 0.907 | 0.471 |
| Double-J stent | 0.062 | 0.059 |
| SWL parameters | ||
| BP on day of SWL | 0.911 | 0.201 |
| Number of shocks | 0.061 | 0.066 |
| Frequency | 0.625 | 0.930 |
| Energy | 0.714 | 0.887 |
| Fragmentation | 0.94 | 0.871 |
| Post-SWL | ||
| Proteinuria | 0.172 | 0.298 |
| Microscopic hematuria | 0.795 | 0.875 |
KIM-1=kidney injury molecule 1; NAG=N-acetyl-β-D-glucosaminidase; BMI=body mass index; CKI=chronic kidney injury; HTN=hypertension; DM=diabetes mellitus; CVD=cardiovascular disease; SWL=shockwave lithotripsy; BP=blood pressure.