Double J stent combined with pyelostomy tube in pediatric laparoscopic pyeloplasty: a 5-year clinical experience in a single center

Table 1 Comparison of preoperative general data between the two groups

	DJ stent group	Combination group	T value/χ² value	P value
Age (month)	30.50 ± 38.23	26.17 ± 36.09	0.556	0.580
Gender (M/F)	39/13	34/7	0.853	0.356
Side (left/right)	14/38	13/28	0.255	0.614
Degree of hydronephrosis (SFU levels 2/3/4)	3/4/45	2/3/36		1.00

ISSN: 1471-2490