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 variables
Overall
Tertile 1
Tertile 2
Tertile 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)
43
16
32
85
<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 Tx
107 [90–125]
109 [93–130]
114 [94–141]
101 [85–116]
0.023
Donor eGFR at 1 yr
63 [56–70]
59 [53–66]
65 [57–72]
65 [56–73]
0.028
Recipient eGFR at 1 yr
60 [50–73]
54 [44–67]
62 [50–75]
63 [58–79]
<0.001
Recipient age
43.5 (13.3)
45.3 (14.7)
43.2 (13.2)
41.8 (11.6)
0.367
Recipient sex (% male)
64
69
61
61
0.604
Acute rejection
6.6
3.5
13.0
3.7
0.074
HLA mismatch > 3
21.7
27.6
18.5
18.5
0.401
PRA groups (0–10/11–49/50–84/85+)
28/36/20/16
38/28/22/13
19/44/22/15
26/35/17/22
0.199
Recipient BMI
25.2 (4.0)
24.6 (3.6)
24.5 (4.1)
26.5 (4.1)
0.020
Recipient weight
74.9 (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-A
29 (17.6)
8 (13.8)
8 (15.1)
13 (24.1)
0.301
ABO-B
8 (4.9)
1 (1.7)
3 (5.7)
4 (7.4)
ABO-O
128 (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.