Research Article

T-Cell Cytokine Gene Polymorphisms and Vitamin D Pathway Gene Polymorphisms in End-Stage Renal Disease due to Type 2 Diabetes Mellitus Nephropathy: Comparisons with Health Status and Other Main Causes of End-Stage Renal Disease

Table 2

Characteristics of hemodialysis patients ( = 893).

ParameterType 2 DM nephropathy Other causes of ESRD value

Demographic data = 366 = 527

Male sex, (% of all)201 (54.9)307 (58.3)0.337b
Age at RRT beginning, years 62.9 ± 14.157.2 ± 17.2<
RRT duration, years3.29 (0.06–28.0)4.42 (0.12–28.2)<
Death rate, cases per 100 patient-years 0.480.42
Death rate, cases per 100 RRT-years7.974.63

Clinical data = 332 = 527

Coronary artery disease, (% of all)174 (52.4)168 (31.9)<
Myocardial infarction, (% of all)98 (29.5)101 (19.2)
Parathyroidectomy, (% of all)2 (0.60)21 (3.98)
Treatment with cinacalcet hydrochloride24 (7.2)98 (18.6)<

Laboratory data = 366 = 527

Anti-HBc positive, (% of all)95 (26.0)126 (23.9)0.528b
HBsAg positive, (% of all anti-HBc positive)7 (7.4)11 (8.7)0.807b
Anti-HCV positive, (% of all)26 (7.1)57 (10.8)0.062b
HCV RNA positive, (% of all anti-HCV positive) 14 (53.8)39 (68.4)0.225b
Responders to hepatitis B vaccine, (% of all)202 (55.2)315 (59.8)0.191b
25(OH)D (ng/mL)a13.3 ± 3.914.5 ± 5.60.182a,d
Total calcium (mg/dL)8.83 ± 0.678.91 ± 0.820.264d
Phosphates (mg/dL)5.03 ± 1.445.25 ± 1.490.054d
PTH (pg/mL)296 (12.9–3,757)463 (12.7–3,741)<
Total alkaline phosphatase (U/L)98.2 (25.8–1,353) 97.1 (40.5–1,684)0.528c

25(OH)D: 25-hydroxycholecalciferol, anti-HBc: antibodies to core antigen of hepatitis B virus, anti-HCV: antibodies to hepatitis C virus, HBsAg: surface antigen of hepatitis B virus, DM: diabetes mellitus, ESRD: end-stage renal disease, HCV RNA: ribonucleic acid of hepatitis C virus, PTH: parathyroid hormone, and RRT: renal replacement therapy.
A significant difference is indicated using bold font.
a = 66 for type 2 DM nephropathy; = 96 for other renal diseases.
bFisher’s exact test.
cMann-Whitney test.
dUnpaired -test, Welch corrected.