Table 2.
Concentrations and excretions for the kidney markers and their median storage timea
| N | Median (Range) |
Median Storage Time in Days (Range) |
|
|---|---|---|---|
| Creatinine | |||
| Concentration (g/L) | 2909 | 1.2 (0.1 – 4.2) | 71 (4 – 1007) |
| Albuminb | |||
| Concentration (mg/L) | 813 | 7.2 (ND – 1320.0) | 177 (42 – 468) |
| Excretion (mg/gC) | 718 | 7.4 (1.5 – 773.1) | |
| γ-GT | |||
| Concentration (U/L) | 2912 | 26.0 (0.0 – 224.0) | 71 (4 – 1007) |
| Excretion (U/gC) | 2909 | 26.7 (0.0 – 246.7) | |
| NAGb | |||
| Concentration (U/L) | 813 | 1.2 (ND – 9.2) | 176 (22 – 468) |
| Excretion (U/gC) | 754 | 1.4 (0.1 – 7.8) | |
| A1Mb | |||
| Concentration (mg/L) | 813 | ND (ND – 17.0) | 262 (42 – 563) |
| Excretion (mg/gC) | 223 | 4.7 (1.1 – 29.5) |
γ-GT = γ-glutamyl transpeptidase, NAG=N-acetyl-β-D-glucosaminidase, A1M= alpha-1-microglobulin, ND=not detectable.
Creatinine-corrected excretions exclude samples with non-detectable concentrations.
Albumin, NAG, and A1M were not measured in all years.