TABLE 1

Quantitative Data for CSF Leakage Study

Plasma serumPledget
ParameterBackgroundLeftRight
Sample A count2764,4307,8994,501
Sample B count2864,4857,7514,523
Average count2814,4577,8254,512
Net count4,1767,5444,231
Fluid grams1.71.92.1
Average net count per gram2,456.43,970.52,014.7
Sample-to-serum ratio1.62:10.82:1