Variable | LASER (n = 50) | Pneumatic (n = 50) | ρ-value |
Complications: Hematuria, n (%) Mucosal damage, n (%) Ureteral perforation, n (%) Postoperative fever, n (%) Overall complications rate n (%) |
1 (2.0%) 1 (2.0%) 0 (0.0%) 2 (4.0%) 4 (8.0%) |
7 (14.0%) 3 (6.0%) 2 (4.0%) 4 (8.0%) 16 (32.0%) |
0.022 (S) 0.543 (NS) 0.423 (NS) 0.643 (NS) 0.003 (S) |
Migration of stone, n (%) | 1 (2.0%) | 5 (10.0%) | 0.003 (S) |
Mean ± SD operation time (min) | 40 ± 26 | 60 ± 40 | 0.033 (S) |
Mean ± SD lithotripsy time( min) | 14.7 ± 2.6 | 7.9 ± 2.2 | 0.001 (S) |
Hospital stays < 24 hr, n (%) | 38 (70.4%) | 16 (29.6%) | <0.002 (S) |
Immediate stone-free status, n (%) | 44 (88.0%) | 31 (62.0%) | <0.05 (S) |
4 weeks stone-free status, n (%) | 49 (98%) | 47 (94.0%) | 0.0732 (N.S) |
Stone location, SFR Proximal, n (%) Middle, n (%) Distal, n (%) |
19/22 (86.4%) 8/10 (80.0%) 17/18 (94.4%) |
7/21 (33.3%) 9/13 (69.2%) 15/16 (93.7%) |
0.002 (S) 0.308 (NS) 0.456 (NS) |
D.J stent need n (%) | 22 (37.9%) | 36 (62.1%) | <0.005 (S) |
Dormia basket need, n (%) | 3 (6.0%) | 9 (18.0%) | 0.065 (NS) |
Impacted stone, n (%) | 4 (8.0%) | 7 (14.0%) | 0.082 (NS) |