Table 1 The demographic data of the ESRD patients with and without RLS
From: Restless legs syndrome in end stage renal disease patients undergoing hemodialysis
| Patients with ESRD, N (%) | ||||
|---|---|---|---|---|
| Variables | RLS –(n = 109) | RLS +(n = 28) | p value | |
| Female | 46 (42.2%) | 17 (58.8%) | 0.08 | |
| Age (year) | 55.83 ± 13.20 | 54.04 ± 10.40 | 0.505 | |
| Educational Attainment | < Middle school | 7 (6.4%) | 4 (23.5%) | |
| Middle school or vocational | 70 (64.2%) | 16 (57.1%) | ||
| High school or higher | 32 (29.4%) | 8 (28.6%) | 0.548 | |
| BMI (kg/m2) | Underweight (< 18.5) | 18 (16.5%) | 6 (21.4%) | |
| Normal Range (18.5-23.9) | 67 (61.5%) | 18 (64.3%) | ||
| Overweight (24.0-27.9) | 20 (18.3%) | 3 (10.7%) | ||
| Obese (≥28.0) | 4 (3.7%) | 1 (3.6%) | 0.346 | |
| Duration of Hemodialysis (week) | 90 (25-132) | 113.5 (39-159.75) | 0.224 | |
| Frequency of Hemodialysis | 3 times/week | 102 (93.6%) | 25 (89.3%) | 0.438 |
| Dialysis Solution Temperature | 36 °C | 52 (47.7%) | 14 (50.0%) | |
| 36.5 °C | 46 (42.2%) | 10 (35.7%) | ||
| 37 °C | 11 (10.1%) | 4 (15.3%) | 0.991 | |
| Pre-dialysis Systolic Pressure (mmHg) | 131.51 ± 20.44 | 125.36 ± 21.21 | 0.161 | |
| Pre-dialysis Diastolic Pressure (mmHg) | 78.97 ± 11.46 | 77.86 ± 12.80 | 0.655 | |
| Post-dialysis Systolic Pressure (mmHg) | 122.89 ± 19.88 | 115 ± 15.46 | 0.053 | |
| Post-dialysis Diastolic Pressure (mmHg) | 74.60 ± 11.71 | 72.32 ± 11.43 | 0.358 | |
| Diabetes Mellitus | 28 (25.7%) | 9 (32.1%) | 0.734 | |
| Hypertension | 89 (81.7%) | 24 (86.0%) | 0.783 | |
| Family history | non | 94 (86.2%) | 22 (78.6%) | |
| Hypertension | 10 (9.2%) | 3 (10.7%) | ||
| Polycystic kidney | 2 (1.8%) | 3 (10.7%) | ||
| Diabetes mellitus | 3 (2.8%) | 0 (0%) | 0.151 | |
| Smoking | Daily and regularly | 28 (25.7%) | 9 (32.1%) | 0.493 |
| Alcohol intake | Daily and regularly | 7 (6.4%) | 5 (17.9%) | 0.069 |
| Tea intake | Daily and regularly | 43 (39.4%) | 9 (32.1%) | 0.477 |
| Coffee intake | Daily and regularly | 18 (16.5%) | 6 (21.4%) | 0.58 |