TABLE 1.

Demographic and clinical characteristics.

Variable	General information
Patient variables
No. of patients:	28
N (%):
Sex	Male, 25 (89.3%)
	Female, 3 (10.7%)
Mean ± SD:
Age, years	23.6 ± 5.1
Body mass index, kg/m2	Male, 19.2 ± 1.4
	Female, 19.0 ± 2.1
Symptoms
N (%):
Hematuria	Microhematuria, 6 (21.4%)
	Gross hematuria, 11 (39.3%)
Proteinuria*	0.15–1 g/24 h, 8 (28.6%)
	>1 g/24 h, 17 (60.7%)
Flank/abdominal pain†	4–6 points, 16 (57.1%)
	7–10 points, 3 (10.7%)
Left-sided varicocele	Grade 2, 1 (3.6%)
	Grade 3, 10 (35.7%)
Chronic fatigue	2 (7.1%)

*24 h urinary protein quantification. ^†Visual analog scale pain scale.