Skip to main content

Table 1 Baseline characteristics of the study population (N = 1166)

From: Impact of risk factors on functional status in maintenance hemodialysis patients

Variables Total
N SD
Age (mean, SD) (years) 60.87 12.05
Treatment of year (mean, SD) 7.87 5.78
The number of HD a week (mean, SD) 2.93 0.27
Each dialysis time (mean, SD) (hours) 3.91 0.24
Dialyzer surface area (m2) 2.16 0.25
Gender (n, %)
 Male 572 49.06
 Female 594 50.94
DM (n, %)
 No 797 68.35
 Yes 369 31.65
Primary disease subclass (n, %)
 Glomerulonephritis 279 23.93
 Systemic diseases 641 54.97
 Obstructive nephropathy 14 1.20
 Hemolytic uremic syndrome 2 0.17
Polycystic kidney disease 16 1.37
 Others 51 4.37
 Unknown cause 162 13.89
Use of vitamin D (n, %)
 No 708 60.72
 Yes 458 39.28
Use of antihypertensive (n, %)
 No 573 49.14
 Yes 593 50.86
Use of iron (n, %)
 No 881 75.56
 Yes 285 24.44
Parathyroidectomy (n, %)
 No 982 84.22
 Yes 184 15.78
Death (n, %)
 No 1023 87.74
 Yes 143 12.26
  1. HD hemodialysis
  2. P value for categorical variables were estimated by χ² test or Fisher's exact test
  3. P value for continuous variables were estimated by independent two samples