Table 1 General characteristics of the included studies, by dialysis and kidney transplantion
Geography | Dialysis (n = 33) | Kidney transplantion (n = 31) |
|---|---|---|
Europe | 10 | 13 |
North America | 11 | 14 |
Others (Asia, South America, New Zealand) | 12 | 4 |
Study design | ||
Cross sectional | 29 | 23 |
Cohort study | 4 | 8 |
Study sampling method | ||
Single-centre | 13 | 24 |
Multicentre | 13 | 2 |
Registry | 7 | 5 |
Type of dialysisa | ||
Haemodialysis | 15 | |
Peritoneal dialysis | 10 | |
Dialysis-modality unknown | 17 | |
Number of participants | ||
Cross sectional studies | ||
Median | 233 | 139 |
Range | 43-105,636 | 34-1278 |
SD | 22,449 | 255 |
Cohort studies | ||
Median | 2103 | 1253 |
Range | 359-4734 | 358-71,976 |
SD | 1997 | 27,826 |