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Reference ranges of proteins for detection of CSF fistula
| Parameter | Reference range | Remarks |
|---|---|---|
| Beta-Trace Protein (mg/l) |
Serum: 0.3–0.9 CSF: 8.9–29.2 Cut-off: 1.1 |
Cave: renal insufficiency, endolymph fistula |
| Beta2-Transferrin | Qualitative detection | Cave: blood contamination |
