Relationship between vitamin D and post-transplant diabetes mellitus in kidney transplant recipients

Table 1 Baseline characteristics of the patients

	Total	PTDM	Controls	P value
Total patients	72	32	40
Male gender	61 (84.7)	30 (93.7)	31 (77.5)	0.057
Age (years), mean ± SD	32.4 ± 9.2	34.6 ± 9.6	30.7 ± 8.5	0.076
> 40	55 (76.3)	34 (85.0)	21 (65.0)	0.092
< 40	17 (23.6)	6 (15.0)	11 (35.0)
Dialysis vintage, months, median (minimum-maximum)	17.0 (12.0-25.5)	14.5 (10.0-24.5)	17.0 (13.0-27.0)	0.189
BMI, kg/m2, mean ± SD	19.9 ± 3.8	20.5 ± 3.7	19.4 ± 3.9	0.266
BMI grading				0.338
0	28 (38.8)	9 (28.1)	19 (47.5)
1	26 (36.1)	19 (59.3)	17 (42.5)
2	5 (6.9)	3 (9.3)	2 (5.0)
3	3 (4.1)	1 (3.1)	2 (5.0)
BMI grading at 12 months
0	20 (27.7)	7 (21.8)	13 (32.5)	0.294
1	44 (61.1)	21 (65.6)	23 (57.5)
2	6 (8.3)	4 (12.5)	2 (5.0)
3	2 (2.7)	0	2 (5.0)
Recipient blood cohort
O	16 (22.2)	7 (21.8)	9 (22.5)	0.371
AB	5 (6.9)	1 (3.1)	4 (10.0)
A	20 (27.0)	7 (21.8)	13 (32.5)
B	30 (41.6)	17 (53.1)	13 (32.5)
Native kidney disease
Unclassified	43 (59.7)	16 (50.0)	27 (67.5)	0.714
Chronic TID	13 (18.0)	7 (21.8)	6 (15.0)
IgA	9 (12.5)	5 (15.6)	4 (10.0)
FSGS	4 (5.5)	2 (6.2)	2 (5.0)
MPGN	1 (1.3)	1 (3.1)	0
ADPKD	2 (2.7)	1 (3.1)	1 (2.5)
Family history of DM	6 (8.3)	5 (15.6)	1 (2.5)	0.045
History of smoking	2 (2.7)	2 (6.2)	0	0.113

Data are presented as n (%). PTDM: Post-transplant diabetes mellitus; BMI: Body mass index; TID: Tubulointerstitial disease; IgA: Immunoglobulin A nephropathy; FSGS: Focal segmental glomerulosclerosis; MPGN: Membranoproliferative glomerulonephritis; ADPKD: Autosomal dominant polycystic kidney disease; DM: Diabetes mellitus; SD: Standard deviation.