Glucose: negative

Bilirubin: negative

Protein: 5mg/dL

RBCs: <4 RBC/high power field (normal)

WBCs: negative

Dipstick test: negative for bacteria

To assess possibility of UTI (may cause delirium)  renal disease or other diseases.  Dr Zhengs results are normal, suggesting underlying renal or urinary tract problems is less likely.