. 2016 Nov-Dec;42(6):1178–1182. doi: 10.1590/S1677-5538.IBJU.2016.0211

Table 1. Baseline characteristics of patients in both groups.

Parameters	Group A (Pneumatic)	Group B ( Laser)	p value
No. of patients	38	38	1
Mean Age±SD	12.5±2.49	11.97±2.74	0.38
Male/Female ratio	34/4	32/6
Laterality (R/L)	26/12	28/10
Stone burden (in mm²)	8±3.09	8.2±3	0.77
Prior intervention	Nil	Nil	NA
Impacted Calculus	2(5.2%)	3(7.89%)	1