Table 8.

Comparison of incidence of complications (%).

Groups	n	Hematuria	Renal colic	Nausea and vomiting	Urinary tract infection	Other	Total efficacy
Observation group	45	2 (4.45)	1 (2.23)	1 (2.23)	0 (0.00)	1 (2.23)	5(11.12)
Control group	45	6 (13.34)	3 (6.67)	2 (4.45)	2 (4.45)	1 (2.23)	14(31.12)
t	—	5.404
P value	—	0.020