After propensity score-matching | |||
---|---|---|---|
Variables | Non-stented group (n = 339) | Preoperatively stented group (n = 113) | p-value |
Operative time (min) | 70.2 ± 53.0 | 65.1 ± 47.4 | 0.452 |
Access sheath placement | 297 (87.6%) | 106 (93.8%) | 0.038 |
Access sheath size (Fr) | 0.223 | ||
11/13 | 147 (49.5%) | 49 (46.2%) | |
12/14 | 150 (50.5%) | 56 (52.8%) | |
14/16 | 0 (0.0%) | 1 (0.9%) | |
Stone-free rate (0 mm) | 282 (83.2%) | 97 (85.8%) | 0.498 |
Clinically insignificant residual fragments (< 4 mm) | 315 (92.9%) | 103 (91.2%) | 0.806 |
Hospitalization period (days) | 1.4 ± 1.7 | 1.3 ± 0.7 | 0.279 |
Additional treatment | 11 (3.2%) | 6 (5.3%) | 0.421 |