After Reviewing a Client's Cerebro-Spinal Fluid Analysis, Which of the Following

After reviewing a client's cerebro-spinal fluid analysis, which of the following results is most important for the nurse to communicate to the health care provider?

A) Specific gravity 1.007
B) Protein 6.5 g/L
C) White blood cell (WBC) count 5 * 10⁹/L
D) Glucose 2.5 mmol/L