Table 3.
Coefficient of variation (CV) for urinary NGAL, KIM1, cystatin C (Cyst C) and creatinine (crea) and the corresponding creatinine ratios in individual patients.
| NGAL | KIM1 | Cyst C | Crea | NGAL/ crea | KIM1/ crea | Cyst C/ crea | ||
|---|---|---|---|---|---|---|---|---|
| N | Patient | CV | CV | CV | CV | CV | CV | CV |
| 10 | 1 | 42.4 | 42.0 | 32.6 | 30.7 | 41.1 | 16.0 | 33.5 |
| 10 | 2 | 13.9 | 12.4 | 14.4 | 12.0 | 8.8 | 8.7 | 10.7 |
| 10 | 3 | 65.3 | 40.3 | 23.6 | 33.7 | 59.6 | 24.1 | 20.6 |
| 10 | 4 | 48.7 | 44.8 | 21.8 | 23.3 | 44.1 | 35.3 | 34.2 |
| 10 | 5 | 13.5 | 16.5 | 14.7 | 6.0 | 10.1 | 12.0 | 13.4 |
| 10 | 6 | 17.2 | 10.9 | 16.2 | 14.3 | 18.9 | 12.8 | 7.8 |
| 10 | 7 | 19.0 | 67.4 | 22.7 | 24.5 | 56.0 | ||
| 10 | 8 | 92.6 | 28.4 | 15.8 | 20.4 | 82.7 | 17.2 | 7.2 |
| 10 | 9 | 61.2 | 26.8 | 38.9 | 33.7 | 43.7 | 36.4 | 30.9 |
| 10 | 10 | 27.0 | 25.4 | 12.8 | 18.1 | 24.0 | 9.8 | 9.5 |
| 10 | 11 | 100.3 | 39.4 | 41.0 | 29.0 | 107.3 | 17.1 | 56.7 |
| 10 | 12 | 27.5 | 28.3 | 27.5 | 28.0 | 11.7 | ||
| 10 | 13 | 71.5 | 29.1 | 46.3 | 22.9 | 46.9 | 10.9 | 32.9 |
| 10 | 14 | 44.7 | 49.3 | 12.3 | 28.4 | 24.6 | 20.5 | 15.4 |
| 9 | 15 | 27.1 | 15.6 | 16.0 | 14.5 | 41.5 | 12.2 | 19.9 |
| 10 | 16 | 35.1 | 25.0 | 44.2 | 21.6 | 47.2 | 31.2 | 78.4 |
| 9 | 17 | 55.7 | 22.0 | 14.2 | 18.0 | 65.4 | 18.2 | 7.6 |
| 10 | 18 | 43.9 | 26.0 | 21.5 | 13.6 | 37.5 | 23.9 | 18.9 |
| 10 | 19 | 46.5 | 45.5 | 49.8 | 9.5 | 52.2 | 43.1 | 56.2 |
| 10 | 20 | 83.3 | 21.8 | 14.3 | 10.3 | 89.9 | 24.5 | 16.4 |
| 10 | 21 | 29.4 | 39.9 | 21.2 | 13.8 | 24.5 | 35.5 | 18.3 |
| 10 | 22 | 9.6 | 60.2 | 4.7 | 5.3 | 9.9 | 59.8 | 5.9 |
| 7 | 23 | 29.6 | 25.0 | 3.8 | 11.7 | 38.8 | 16.8 | 8.9 |
| mean | 45.6 | 30.1 | 25.0 | 19.2 | 43.8 | 23.4 | 24.8 |
N: samples from each patient. Patient 7 and 12 had urinary NGAL values below the lowest standard point in the ELISA and were therefore excluded in the analysis of intraindividual variation.