Comparison of Ultrasonic and Pneumatic Intracorporeal Lithotripsy Techniques during Percutaneous Nephrolithotomy

Table 1

Demographic data, stone, and operative characteristics.

	Group I	Group II	Group III	𝑃 value
Number of patients (%)	107 (47.1%)	83 (36.5%)	37 (16.3%)
Median age, years	50	47	48	0.463
Male/female	62/45	54/29	23/14	0.698
Mean stone size (range) mm^2	33.8 (11.5–78.8)	49.9 (16.9–262.5)	72.3 (28.8–151.8)	0.001*
Stone laterality				0.334
Right	50	46	22
Left	57	37	15
Stone-free rate (%)
1 day postoperatively	96.9%	81.9%	78.3%	0.023*
3 months postoperatively	97.2%	91.5%	87.9%	0.826
Auxiliary procedure (%)	4.6%	18.1%	10.8%	0.008*

∗Significant at 0.05 level.