Flexible Ureteroscopy Can Be More Efficacious in the Treatment of Proximal Ureteral Stones in Select Patients

Table 1

Patients’ demographics data and stone characteristics.

	Group 1 (R-URS)	Group 2 (F-URS)	value
Gender (M/F)	41/27	45/19	0.554
Mean patient age (year)	38.2 ± 1.3	39.9 ± 1.3	0.991
(Range)	(21–74)	(21–75)
Mean BMI (kg/mm^2)	27.1 ± 0.4	27.8 ± 0.5	0.136
(Range)	(21–41)	(22–45)
Mean ureteral stone number ()	1.1 ± 0.1	1.0 ± 0.1	0.353
(Range)	(1-2)	(1–5)
Mean ureteral stone size (mm)	9.1 ± 0.4	8.9 ± 0.5	0.599
(Range)	(5–20)	(5–20)
Mean ureteral stone burden (mm)	9.8 ± 0.4	9.2 ± 0.4	0.607
(Range)	(5–22)	(6–23)
Laterality (R/L)	30/38	28/36	0.553