Table 2.
Stage | (ml/min per 1.73 mGFR2) | Micro/Macroalbuminuria | Country/Study | |||
---|---|---|---|---|---|---|
Netherlands/PREVEND (n = 3432) | Spain/EPIRCE (n = 237) | Norway/HUNT (n = 65,181) | Iceland/RHS (n = 19,381) | |||
1 | >90 | Yes | 1.3 | 3.5 | 3.1 | 1.6a |
2 | 0 to 89 | Yes | 3.8 | 3.5 | 3.4 | |
3 | 30 to 59 | Yes/no | 5.3 | 5.3 | 4.5 | 7.4 |
4 | 15 to 29 | Yes/no | 0.1 | 0.4 | 0.2 | 0.2 |
5 | <15 | Yes/no | 0.1 | ? | ? | ? |
Total | 10.6 | 12.5 | 11.2 | >9.2 |
The RHS study has data on dipstick positivity and does not discriminate between stages 1 and 2, whereas the other three studies use an index of microalbuminuria for both stages 1 and 2 separately.