Table 5.
Kidney function indices stratified by urinary cadmium levels
| Variable | < 5 μg/g cr (N = 26) | ≥ 5 μg/g cr (N = 11) | Total (N = 37) | Reference value | |
|---|---|---|---|---|---|
| NAG (U/g cr) | Mean ± SD | 9.20 ± 6.75 | 9.67 ± 3.70 | 9.34 ± 5.95 | < 11.5 |
| Αbnormal (%) | 4 (15.4%) | 2 (18.2%) | 6 (16.2%) | ||
| β2-MG (mg/g cr) | Mean ± SD | 0.43 ± 1.30 | 1.16 ± 3.18 | 0.79 ± 2.29 | < 0.3 |
| Αbnormal (%) | 5 (19.2%) | 4 (36.4%) | 11 (29.7%) | ||
| Egfr (mL/min) | Mean ± SD | 71.5 ± 22.7 | 70.5 ± 22.0 | 81.1 ± 21.2 | < 60 |
| Αbnormal (%) | 8 (30.7%) | 4 (36.4%) | 12 (32.3%) |
Mean arithmetic mean, SD standard deviation, NAG N-acetyl-β-D-glucosaminidase, β2-MG β2-microglobulin, eGFR estimated glomerular filtration rate, cr creatinine
Abnormal: ≥ Reference value