Research Article

Is Bigger Better? Living Donor Kidney Volume as Measured by the Donor CT Angiogram in Predicting Donor and Recipient eGFR after Living Donor Kidney Transplantation

Table 1

Demographic characteristics of donors and recipients and variables.

Recipient and donor variablesOverallTertile 1Tertile 2Tertile 3 value

Donor age, mean (SD)44.8 (10.8)49.3 (11.0)42.1 (11.6)42.7 (8.2)<0.001
Donor sex (% male)43163285<0.001
Donor BMI, mean (SD)25.5 (2.9)24.9 (2.8)25.0 (2.9)26.7 (2.5)0.001
Donor eGFR at Tx107 [90–125]109 [93–130]114 [94–141]101 [85–116]0.023
Donor eGFR at 1 yr63 [56–70]59 [53–66]65 [57–72]65 [56–73]0.028
Recipient eGFR at 1 yr60 [50–73]54 [44–67]62 [50–75]63 [58–79]<0.001
Recipient age43.5 (13.3)45.3 (14.7)43.2 (13.2)41.8 (11.6)0.367
Recipient sex (% male)646961610.604
Acute rejection6.63.513.03.70.074
HLA mismatch > 321.727.618.518.50.401
PRA groups (0–10/11–49/50–84/85+)28/36/20/1638/28/22/1319/44/22/1526/35/17/220.199
Recipient BMI25.2 (4.0)24.6 (3.6)24.5 (4.1)26.5 (4.1)0.020
Recipient weight74.9 (15.6)74.0 (13.6)73.9 (15.2)76.7 (17.8)0.558
Time on dialysis vintage (months)18 [13–32]22 [14–31]18 [11–30]18 [15–35]0.518

ABO compatibility
ABO-A29 (17.6)8 (13.8)8 (15.1)13 (24.1)0.301
ABO-B8 (4.9)1 (1.7)3 (5.7)4 (7.4)
ABO-O128 (77.6)49 (84.5)42 (79.2)37 (68.5)

Tx means transplant. Donor eGFR at Tx means eGFR from both kidneys of the donor before donation. Donor eGFR at 1 year means eGFR from the donors’ remaining kidney. Recipient eGFR at 1 year means eGFR of the donated kidney.