Number of patients

Percentage (%)

Comorbidities factors

Asthma

1

4.16

Diabetes

7

29.17

Diabetes and high blood pressure

2

8.33

High blood pressure

14

58.34

Indications for surgery

Failure of the medical treatment

21

34.43

Recurrent macroscopic hematuria

14

22.95

Acute retention of urine

25

40.98

Chronic retention of urine

1

1.64