Table 4.
Summary table for the presence and frequency of blood and urine samplings
| Study | Blood Samples | Urine Samples | ||
|---|---|---|---|---|
| Baseline | Follow up | Baseline | Follow up | |
| BIS | + | <1/year | + | <1/year |
| CanPREDDICT | - | ≥1/year | - | ≥1/year |
| CKD.QLD | - | - | - | - |
| CKD-JAC | + | ≥1/year | + | - |
| CKD-REIN | + | <1/year | + | <1/year |
| CKiD | + | ≥1/year | + | ≥1/year |
| CRIC | + | ≥1/year | + | ≥1/year |
| C-STRIDE | + | ≥1/year | + | ≥1/year |
| EQUAL | + | ≥1/year | + | ≥1/year |
| GCKD | + | <1/year | + | <1/year |
| PROVALID | + | ≥1/year | + | ≥1/year |
| NRHP-Uruguay | - | - | - | - |
| Triple-A | + | - | + | - |
| 4C Study | + | ≥1/year | + | ≥1/year |