Table 3.
Complications according to the modified Clavien system.
| Grade | Pneumatic (n = 117) | Laser (n = 113) | p |
|---|---|---|---|
| 0 | 83 (71%) | 87 (77%) | 0.296* |
| I | 11 (9.4%) | 10 (8.8%) | 0.884 |
| Small mucosal laceration (without leakage), extravasation | 7 | 4 | |
| Hematuria | 4 | 5 | |
| Subcabsular hematoma | 0 | 1 | |
| II Urinary tract infection with signs of bacteremia | 5 (4.2%) | 8 (7.1%) | 0.357* |
| IIIa | 6 (5.1%) | 3 (2.7%) | 0.5** |
| Ureteral perforation, treated with DJ stent | 3 | 2 | |
| PCN tube placement, ureteral obstruction after removing ureteral catheter | 3 | 1 | |
| IIIb | 11 (9.4%) | 4 (3.5%) | 0.072* |
| Bleeding leading to termination of the procedure | 5 | 3 | |
| PNL | 2 | 0 | |
| Open surgery | 2 | 0 | |
| Ureteric stricture | 2 | 0 | |
| Percutaneous drainage of urinoma | 0 | 1 | |
| IVb Urosepsis | 1 (0.9%) | 1 (0.9%) |
Data are presented as n or n (%).
DJ = double‐J; PCN = percutaneous nephrostomy; PNL = percutaneous nephrolithotomy.
*Chi‐square test.
**Fisher's exact test.