The Function Improved of the Newly Designed Magnetic-End Ureteric Stenting Retrieval Device: A Clinical Prospective Randomized and Control Trial in a Multicenter Study

Table 1

Patient demographics and clinical information.

	Magnetic stent group (n = 168)	Conventional stent group (n = 165)	P value
Gender, n (%)
Male	118 (70.2)	115 (69.7)	0.912
Female	50 (29.8)	50 (30.3)	0.892
Age, years (mean ± SD)	45.7 (±13.5)	49.5 (±14.6)	0.789
BMI, kg/m^2 (mean ± SD)	22.1 (±2.5)	23.3 (±3.1)	0.754
Stone size, mm (mean ± SD)	12.1 (±1.7)	11.8 (±2.5)	0.658
Stone location, n (%)			0.472
Ureter	109 (64.9)	113 (68.5)
Kidney	43 (25.6)	38 (23.0)
Ureter and kidney	16 (9.5)	14 (8.5)
Surgery type, n (%)			0.344
Flexible ureteroscopy	97 (57.8)	109 (66.1)
Rigid ureteroscopy	55 (32.7)	50 (30.3)
PCNL	16 (9.5)	6 (3.6)