Table 4.
Levels and proportions of urinary biomarkers at ICU admission in different acute kidney injury (AKI) stages defined by KDIGO Creatinine criteria only. N = 52
| No AKICr | KDIGOCr 1 | KDIGOCr 2 | KDIGOCr 3 | |
|---|---|---|---|---|
| N | 19 | 17 | 6 | 10 |
| U‐Albumin (mg/mmol) | 23 ± 47 | 12 ± 16 | 13 ± 19 | 16 ± 13 |
| Microlbuminuria (%) | 68 | 65 | 83 | 90 |
| Severe albuminuria (%) | 21 | 12 | 17 | 20 |
| U‐Cystatin‐CCorr (mg/mmol) | 0.2 ± 0.2 | 0.1 ± 0.1 | 0.1 ± 0.1 | 0.4 ± 0.4 |
| U‐Cystatin C (mg/L) | 0.9 ± 0.7 | 0.8 ± 0.5 | 1 ± 0.7 | 1.6 ± 0.9 |
| U‐Cystatin‐C > 0.414 mg/L (%) | 74 | 71 | 67 | 90 |
| U‐NGAL (ng/mL) | 89 ± 134 | 60 ± 64 | 187 ± 279 | 239 ± 362 |
| U‐NGALCorr (ng/mmol) | 23 ± 52 | 11 ± 12 | 27 ± 49 | 60 ± 99 |
| U‐NGAL > 100 (ng/mL) (%) | 21 | 12 | 33 | 50 |
| U‐KIM‐1 (ng/mL) | 3.5 ± 3.6 | 4.2 ± 3.4 | 4.6 ± 4.1 | 3.5 ± 2.5 |
| U‐KIM‐1Corr (ng/mg) | 3.7 ± 3.6 | 6.5 ± 7.2 | 3.9 ± 2.3 | 4.1 ± 2.6 |
| U‐KIM‐1 > 2.37 ng/mg (%) | 47 | 76 | 83 | 80 |
| U‐TIMP2 (ng/mL) | 8 ± 4 | 12 ± 21 | 14 ± 11 | 12 ± 9 |
| U‐TIMP2Corr (ng/mg) | 9 ± 5 | 28 ± 73 | 14 ± 11 | 14 ± 9 |
| U‐TIMP2 > 7.58 ng/mL (%) | 47 | 41 | 67 | 60 |
Abbreviations: KIM‐1, Kidney Injury Molecule 1; NGAL, Neutrophil Gelatinase‐Associated Lipocalin; TIMP‐2 Plasma Tissue Inhibitor of MetalloProteinase 2.
There were no significant difference between groups.