Table 4.
Multivariate logistic regression of stone-free rate predictors
| Variables | After propensity score-matching | |
|---|---|---|
| OR (95%Cl) | p-value | |
| BMI | 0.98 (093–1.04) | 0.570 |
| Preoperative DJ stenting | 1.07 (0.49–2.32) | 0.861 |
| Laterality | 0.91 (0.43–1.93) | 0.805 |
| Number of stones | 0.92 (0.78–1.09) | 0.348 |
| Stone max diameter | 0.95 (0.90–0.99) | 0.028 |
| Density of stones | 0.99 (0.99–1.00) | 0.007 |
| Modified S-ReSC score | 0.42 (0.29–0.75) | 0.002 |
| Hydronephrosis | 0.91 (0.46–1.79) | 0.781 |
| Access sheath placement | 1.27 (1.08–1.88) | 0.029 |
BMI Body mass index, S-ReSC Seoul National University Renal Stone Complexity score