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Table 1 Demographics of the patients

From: Is semirigid ureteroscopy sufficient in the treatment of proximal ureteral stones? When is combined therapy with flexible ureteroscopy needed?

Patient characteristics

 

Number of patients

137

Gender (male/female)

77/60

Mean age (years)

38 ± 6.7 (21–72)

Preoperative urinary tract infection

22 (16 %)

Stone side

 Right (%)

60 (43.8)

 Left (%)

77 (56.2)

Stone size (mm)

12.3 ± 3.7 (7–19)

Presence of hydronephrosis (%)

 Yes

86 (62.8)

 No

51 (37.2)