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 |