Table 1: Clinical characteristics of study groups.

VariableSPK ()RT ()CRF ()CON ()

Gender, n (%)0.362
 Male16 (84.2)13 (59.1)21 (67.7)13 (65.0)
 Female3 (15.8)9 (40.9)10 (32.3)7 (35.0)
Type of diabetes mellitus, n (%)0.004
 T1DM11 (57.9)3 (13.5)7 (22.6)
 T2DM8 (42.1)19 (86.5)24 (77.4)
Etiology of renal failure (%)0.172
 Chronic glomerulonephritis6 (31.6)15 (68.2)21 (67.7)
 Diabetic nephropathy7 (36.8)3 (13.6)6 (19.4)
 Hypertensive nephropathy3 (15.8)3 (13.6)3 (9.7)
 Others3 (15.8)1 (4.5)1 (3.2)
Age (year), median (IQR)48 (40–54)49 (46–54)51 (45–58)42 (33–48)#0.003
BMI (kg/m2), median (IQR)24.6 (23.5–26.4)22.3 (20.4–28.7)23.4 (21.8–26.2)24.0 (22.4–25.5)0.642
Course of DM (year), median (IQR)20 (18–22)15 (12–17)#14 (11–15)#<0.001

Comparison among four or three groups; #Compared with the SPK group. SPK: simultaneous pancreas–kidney transplantation; CRF: diabetic patients with uremia (chronic renal failure); RT: diabetic patients with uremia who underwent renal transplantation; CON: normal individuals; T1DM: type 1 diabetic mellitus; T2DM: type 2 diabetic mellitus; BMI: body mass index; DM: diabetes mellitus.