Variables | FURSL group | mini-PNL group | P value |
---|---|---|---|
Operation time (mean ± SD) (min) | 69.8 ± 13.9 | 87.8 ± 14.3 | 0.000 |
Hospitalization time (mean ± SD) (days) | 1.3 ± 0.6 | 2.5 ± 1.2 | 0.000 |
Cost (mean ± SD) ($) | 2603.8 ± 516.1 | 2509.6 ± 711.2 | 0.515 |
Complications, (modified Clavien classification), n (%) | |||
Overall intraoperative | 3 (8.1) | 4 (10.5) | 0.719 |
Bleeding (Grade I) | 0 | 3 (7.9) | |
Minor pelvic-ureteric injury (Grade I) | 3 (8.1) | 1 (2.6) | |
Overall postoperative | 2 (5.4) | 5 (13.2) | 0.249 |
Fever (Grade I) | 2 (5.4) | 2 (5.3) | |
Gross hematuria (Grade I) | 0 | 3 (7.9) | |
Total complications | 5 (13.5) | 9 (23.7) | 0.258 |
Hemoglobin drop (mean ± SD) (g/L) | 1.2 ± 0.7 | 3.0 ± 1.2 | 0.000 |
Stone-free rates (1 month postoperative, %) | 81.1 | 89.5 | 0.304 |
Stone composition | 0.899 | ||
Calcium oxalate monohydrate | 17 | 16 | |
Calcium oxalate dihysdrate | 13 | 12 | |
Carbonate apatite | 5 | 7 | |
Uric acid | 2 | 3 |