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. 2012 Aug 7;79(6):547–552. doi: 10.1212/WNL.0b013e318263565f

Figure 2. Histogram of distribution of tau values (log) per 0.1 log unit.

Figure 2

Positive Creutzfeldt-Jakob disease (CJD) cases (blue triangles) and negative cases (red squares) are shown. The log scale is used for clarity with tau values from 10 to 140,800 pg/mL. The most accurate cutoff of tau between cases positive and negative for CJD is 1,150 pg/mL. The prion disease-positive subjects were distributed as follows: 247 with tau at or above 1,150 pg/mL, 24 between 1,149 and 800 pg/mL, and 149 below 800 pg/mL. BN represents the level below which 10% of positive cases fall. BP represents the level above which 10% of negative cases fall.