Variable | LASER (n = 50) | Pneumatic (n = 50) | ρ-value |
Mean age ± SD, y | 38.4 ± 13.2 | 40.7 ± 14.5 | 0.41 (NS) |
Male, n (%) | 29 (58.0%) | 27 (54.0%) | 0.309 (NS) |
Female, n (%) | 21 (42.0%) | 23 (46.0%) | 0.724 (NS) |
Previous history of URS, n (%) | 3 (6.0%) | 7 (14.0%) | 0.834 (NS) |
Stone laterality Right side, n (%) Left side, n (%) | 22 (44.0%) 28 (56.0%) | 29 (58.0%) 21 (42.0%) | 0.624 (NS) |
Stone size diameter by (mm) | 12.34 ± 2.6 | 10.34 ± 1.2 | 0.389 (NS) |
Stone location Proximal, n (%) Middle, n (%) Distal, n (%) | 22 (44.0%) 10 (20.0%) 18 (36.0%) | 21 (42.0%) 13 (26.0%) 16 (32.0%) | 0.52 (NS) |