Table 1.

Outcomes of ureteroscopy for stone disease in paediatric age group (ICU—intensive care unit)

Summary table
Demographics
Total number of patients	81
Total number of ureteroscopy procedures	102
Male: female ratio	1:1.1
Mean age	8.8 years (range 1.5–16 years)
Stone attributes
Mean single stone size	9.2 mm (range 3–30 mm)
Mean cumulative stone size	11.5 mm (range 4–46 mm)
Stone location	Upper pole—8.8% Mid pole—12.7% Lower pole—35.4% Renal pelvis—16.5% Upper ureter—5.1% Mid ureter—6.3% Distal ureter—15.2%
Multiple stones	22/81 (27%)
Pre-operative positive urine culture	15/102 (14%)
Pre-operative stent	35/102 (34%)
Post-operative stent	61/102 (60%)
Access sheath use	21/102 (20.5%)
Results
Initial stone free rate	73%
Final stone free rate	99%
Number of URS procedures/patient for being stone free (excluding 7 diagnostic URS cases)	1.28 (range 1–3) 54—1 procedure 19—2 procedures 1—3 procedures
Stone analysis available in 52/81 (61.7%) patients
Calcium oxalate	13
Calcium phosphate	12
Magnesium ammonium phosphate (MAP)	10
Calcium oxalate and calcium phosphate	8
Calcium phosphate and MAP	5
Cystine	3
Uric acid	1
Length of stay	1.2 days (range 1–5 days)
Complication rate	3%
Re-admission rate	0.9%