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Relation between UCE and NCC-SP or NCC-Ex in 76 patients with stable WD.
| NCC-Ex (μg/L) |
NCC-Sp (μg/L) |
|||||
|---|---|---|---|---|---|---|
| <50 |
≥50 |
n.a. |
<50 |
≥50 |
n.a. |
|
| N | 33 | 38 | 5 | 27 | 42 | 7 |
| UCE (μg/24h) | ||||||
| <200 | 3 | 3 | 1 | 2 | 4 | 1 |
| 200-500 | 17 | 14 | 1 | 14 | 14 | 4 |
| >500 | 13 | 21 | 3 | 11 | 24 | 2 |
NCC, non-ceruloplasmin-bound copper; NCC-Ex, exchangeable copper; NCC-Sp, NCC determined from total copper protein speciation assay; UCE, 24-hour urinary copper excretion; WD, Wilson disease.
