Vitamin D deficiency may predispose patients to increased risk of kidney transplant rejection

Table 1 Demographic characteristics of the kidney recipients at the time of graft biopsy

Parameter	Patients, n = 52
Mean age, yr	41 ± 11.9
Male, n (%)/female, n (%)	38 (73.1)/14 (26.9)
DM, n (%)/HT, n (%)	15 (28.8)/25 (48.1)
Hemodialysis, n (%)/peritoneal dialysis, n (%)	43 (82.7)/6 (11.5)
Mean dialysis duration, yr	5.8 ± 4.71
Pre-emptive, n (%)	3 (5.8)
Donor type: Living, n (%)/Cadaver, n (%)	34 (65.4)/18 (34.6)
Donor sex: Male/female	29 (55.8)/23 (44.2)
Donor age in yr	49.6 ± 9.7
Time since transplantation, yr	5.91 ± 1.83
Number of HLA mismatches	3 ± 1
DGF, n (%)	9 (17.6)
DSA, n (%)	14 (27.5)
Cyclosporine/tacrolimus serum levels, ng/mL	545 ± 89/4.8 ± 0.8
MMF, gr/d	1.7 ± 0.3
Pre-transplant kidney failure etiology
DM, n (%)	15 (28.8)
HT, n (%)	25 (48.1)
Glomerulonephritis, n (%)	7 (13.5)
Post-renal kidney failure, n (%)	3 (5.8)
Unknown, n (%)	2 (3.8)

CSA: Cyclosporine A; DM: Diabetes mellitus; DGF: Delayed graft function; DSA: Donor-specific antibody; HLA: Human leukocyte antigen; HT: Hypertension; MMF: Mofetil mycophenolate; TAC: Tacrolimus.