TABLE 3

Performance of POC-CSF Glucose Testing by Using the POC Glucometer to Predict Low CSF Glucose Levels (<45 or <60 mg/dL) (N = 73)

Sensitivity, %Specificity, %PPV, %NPV, %Accuracy, %
CSF glucose level <45 mg/dL
 POC-CSF glucose cutoff, mg/dL
  458288679486
  50100684910075
CSF glucose level <60 mg/dL
 POC-CSF glucose cutoff, mg/dL
  609687949093
  659857839385
  70100438010082
  • PPV, positive predictive value.