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)