Table 4.
Multivariable analyses of UAS related parameters to predict RIRS outcomes.
| Outcomes | OR | 95% CI for OR |
p-Value | ||
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Stone-free status | |||||
| Usage | 3.654 | 1.314 | 10.162 | 0.013 | |
| Calibration increase | 2.387 | 1.431 | 3.984 | 0.001 | |
| Peri-operative complications | |||||
| Non-usage | 4.443 | 1.350 | 14.552 | 0.014 | |
| Calibration increase | 1.613 | 0.925 | 2.815 | 0.092 | |
| Post-operative complications | |||||
| Non-usage | 4.107 | 1.366 | 12.344 | 0.012 | |
| Calibration increase | 1.215 | 0.713 | 2.066 | 0.470 | |
UAS, ureteral access sheath; OR, odds ratio; CI, confidence interval; RIRS, retrograde intrarenal surgery.