Skip to main content

Table 1 Baseline characteristics of the study population (n = 100)

From: Cross-over study of influence of oral vitamin C supplementation on inflammatory status in maintenance hemodialysis patients

Item Group 1 Group 2 p value
  (n = 48) (n = 52)  
Age (year) 64.3 ± 11.7 64.4 ± 11.8 0.962
gender    0.029
Male 17(35.4%) 30(57.7%)  
female 31(65.6%) 22(42.3%)  
BMI (kg/m2) 21.9 ± 3.3 22.7 ± 3.3 0.248
KT/V 1.6 ± 0.2 1.5 ± 0.3 0.551
Dialysis vintage (m) 56.9 ± 32.2 44.8 ± 32.0 0.062
Diabetes 9/39(23.1%) 11/41(21.2%) 0.807
ACEI/ARB (case) 6/48(12.5%) 6/52(11.5%) 1.000
Statins (case) 2/48(4.2%) 3/52(5.8%) 1.000
BUN (mmol/l) 25.2 ± 5.6 24.9 ± 7.3 0.884
Scr (umol/l) 783.9 ± 179.7 920.1 ± 256.9 0.058
prealbumin (mg/l) 295.6 ± 86.6 315.3 ± 85.8 0.256
albumin (g/l) 38.2 ± 3.7 40.0 ± 4.2 0.023
hemoglobin (g/l) 107.2 ± 16.6 111.4 ± 17.3 0.217
ERI 10.7 ± 8.6 9.3 ± 6.1 0.323
Ferritin (ug/l) 417.8 ± 266.5 461.9 ± 287.1 0.429
Vitamin C (μg/mL) 1.5 ± 0.8 2.0 ± 0.9 0.003
  Median(IQR) Median(IQR)  
hsCRP(mg/l) 9.6 (6.0-13.8) 6.2(4.2-11.0) 0.005
  1. Note: age, BMI, dialysis vintage, BUN, Scr, prealbumin, albumin, hemoglobin, ERI and vitamin C were presented as mean ± SD; hsCRP was presented as median and inter-quartile range (IQR).
  2. Abbreviations: BMI body mass index, BUN blood urea nitrogen, Scr serum creatinine, ERI EPO resistance index, hs-CRP high hypersensitive C-reactive protein, IQR inter quartile range.