Age (Years) Frequency % Mean ± SD (Age)

0-5 6 37.5 2 ± 1.14 years (1-4)

5-10 4 25 7 ± 2.16 years (5-10)

11-18 6 37.5 13.8 ± 2.16 years (12-17)

Total 16 100 7.7 ± 5.5 years (1-17)

Years Frequency % urolithiasispatient

2013 4 1.2

2014 5 1.6

2015 3 2.3

March 2016 4 4.5

Table 3. Pediatric urinary stone location.

Stone location Frequency Percentage

Upper urinary tract 9 56.3

Lower urinary tract 6 37.5

Upper and lower urinary tract 1 6.2

Variable

Age 9.3± 6.8 years (1-17 years) Stone location Nephrolithiasis Ureterolithiasis

(87.5%) (12.5%)

Stone size 17.25 ± 9.43 mm (8-38 mm)

Operation Open ESWL

URS

(62.5%) (25%)

(12.5%)

Table 5. Lower urinary tract stone patients characteristics.

Variable

Age 5.7± 4.5 (1-12 years) Stone location Vesicolithiasis

100%

Stone size 37.1 ± 9.73 mm (28-50 mm) Operation Vesicolitholapaxy

Open vesicolithotomy

(71.4%) (28.5%)

Variable Our Study Previous Study

Sex (Male : Female) 53 : 47 30 : 70

Age No distinction for each group The highest 0-10 years

Incidence each year 1.2- 4.5% 1-5% (Asia) Stone location Upper urinary tract Lower urinary tract