Table 4.

Methods according to underlying pathology for the individual ureters.

	COHEN	Leadbetter-Politano	p-Value
	Total	Total	Chi2-Test
Ureteral units	312	47	-
Single ureter	259	19	<0.001
Ureter duplex *	20	8	0.041
Ureter fissus	11	2	0.969
Secondary reflux	6	4	0.038
Post injection	10	7	0.002
Redo operation	3	4	0.002
Ureterocele after slitting	1	5	<0.001

* one ureter duplex means one ureteral unit