Retrograde versus Antegrade Approach for the Management of Large Proximal Ureteral Stones

Table 1

Patients’ demographics and clinical data.

	Antegrade	Retrograde
Number of patients	23 (40.4)	34 (59.6)
Gender
Male	17 (73.9)	26 (76.5)	0.826^†
Female	6 (26.1)	8 (23.5)
Age	51.2 ± 13.6	51.0 ± 17.5	0.916^‡
Body mass index	27.8 ± 3.49	27.3 ± 4.92	0.386^‡
Side
Right	12 (52.2)	16 (47.1)	0.705^†
Left	11 (47.8)	18 (52.9)
Stone size (mm)	21.4 ± 4.87	19.2 ± 2.22	0.241^‡
Stone burden ()	219.4 ± 61.8	215.9 ± 36.0	0.733^‡
Hounsfield units	1069.2 ± 285.6	1020.7 ± 299.9	0.649^‡
Preoperative stenting
No	15 (65.2)	26 (76.5)	0.354^†
Yes	8 (34.8)	8 (23.5)
Hydronephrosis
<grade 2	6 (26.1)	9 (26.5)	0.974^†
≥grade 2	17 (73.9)	25 (73.5)

Chi-square test, ^‡Mann-Whitney test, and sd = standard deviation.