Table 1.
Indications or experiences of kidney biopsy for patients with isolated proteinuria
| Urinary protein | ||||||||
|---|---|---|---|---|---|---|---|---|
| CKD G stage | ≥ 0.15 g/day (%) | ≥ 0.5 g/day (%) | ≥ 1 g/day (%) | ≥ 3.5 g/day (%) | ||||
| NF | PF | NF | PF | NF | PF | NF | PF | |
| G1 (eGFR > 90) | 24 | 29 | 83 | 88 | 98 | 94 | 98 | 94 |
| G2 (eGFR 60–90) | 29 | 44 | 87 | 85 | 98 | 87 | 98 | 87 |
| G3 (eGFR 30–60) | 29 | 52 | 79 | 77 | 96 | 79 | 98 | 81 |
| G4 (eGFR 15–30) | 17 | 31 | 38 | 46 | 52 | 50 | 66 | 52 |
| G5 (eGFR < 15) | 8 | 19 | 11 | 27 | 18 | 31 | 31 | 31 |
NF nephrology facilities for adult patients, PF pediatric nephrology facilities for child and adolescent patients