Demographic and dialysis data of final study population
| GER | GR | GER vs GR | |||||
| RLS-positive ESRD patients n=200 | RLS-negative ESRD patients n=443 | p Value | RLS-positive ESRD patients n=141 | RLS-negative ESRD patients n=393 | p Value | p Value | |
| Mean dialysis duration (hours per week, mean±SD) | 13.6±2.2 (NA for 42 patients) | 13.6±2.7 (NA for 138 patients) | 0.81 | 12.0±0.3 | 11.9±0.4 | 0.31 | 2.2×10−10 |
| Mean dependence on dialysis (months, mean±SD) | 70.7±68.5 (NA for 34 patients) | 60.7±62.2 (NA for 105 patients) | 0.11 | 45.2±41 | 41.6±45.8 | 0.9 | 8.1×10−10 |
| Age (years, mean±SD) | 64.8±12.5 | 65±13.4 | 0.9 | 60.3±12.4 | 66±13.4 | 5.4×10−6 | 0.58 |
| Gender (% female) | 56.5 | 64.1 | 0.07 | 56.7 | 61.3 | 0.34 | 0.57 |
| Age of onset of RLS (years, mean±SD) | 54.8±15.4 (NA for 51 patients) | – | – | NA | – | – | – |
Age and dialysis parameters were analysed by two-sided Student's t tests. Gender ratios were subjected to a χ2 test.
GER, German; GR, Greek; n, number; NA, not available; –, not applicable.