Table 4 Risk factors of postoperative residual stone from multivariate analysis
From: Efficacy and safety of percutaneous nephrolithotripsy in elderly patients: a retrospective study
OR | 95% CI | P value | |
|---|---|---|---|
BMI (> 28) | 1.008 | 0.300–3.384 | 0.990 |
Operation time | 1.356 | 0.388–4.745 | 0.634 |
ASA | 0.977 | 0.262–3.640 | 0.972 |
Staghorn calculus | 31.394 | 3.943–249.942 | 0.001 |
Hydronephrosis | 2.540 | 0.686–9.405 | 0.163 |