Living kidney donor assessment: Kidney length vs differential function

Table 1 Categorisation according to different parameters

Length difference	Difference in divided function	Category
> 2 cm	> 20%	4
1.01-2.0 cm	10%-20%	3
0.01-1.0 cm	< 10%	2
0	0%	1

Table 2 Length difference vs differential function (see Table 1 for definition of categories)

Differential functioncategory	Category of length difference				Total
	1	2	3	4
1	8	29	3		40
2	32	117	22	1	172
3	15	44	7		66
4	3	3		1	7
Total	58	193	32	2	285

Table 3 Seven patients with differential function > 20%

Patient	1	2	3	4	5	6	7
Donor GFR	63	69	69	69	87	93	109
Length difference	0.0	0.0	0.0	2.3	0.3	−0.7	−1.0
MAG3 left (%)	35	61	63	77	61	38	64
MAG3 right (%)	65	39	37	23	39	62	36
ND	−30	22	26	54	22	−24	28
“Donated” GFR of kidney with less function (mL/min)	22.1	26.9	25.5	15.9	33.9	35.3	39.2
Donated	No	Yes	No	No	Yes	No1	Yes

¹Moved out of the area. GFR: Glomerular filtration rate; MAG3: Mercapto acetyl tri glycine; ND: No difference.