Summary Table

	Group 1	Group 2	Group 3	Group 4	Adjusted P-value
Age at diagnosis	<2 months	2–18 months	>18 months	unknown
n	19	11	7	6
7
Most recent method of bladder emptying
Voiding	7 (36.8%)	3 (27.3%)	2 (28.6%)		1.00
CIC	13 (68.4%)*	8 (72.7%)	5 (71.4%)		1.00
No hydronephrosis on recent ultrasound	13 (68.4%)	5 (45.5%)	3 (42.8%)		0.90
Recent serum creatinine (ng/dl)
Median	0.4	0.4	0.55		0.91
IQR	0.3–0.5	0.4–0.7	0.4–0.8		0.91

^*One patient utilized both CIC and voiding to empty