
Median 
Range 
CV % 
N 
Quota % 
Aß142 
508 
69771 
12 
42 
88 
tTau 
921 
3151292 
13,3 
42 
86 
pTau 181 
66 
5383 
9,6 
34 
97 
This example was selected as the median concentration values [pg/mL] of the parameters are in the most relevant decision range between normal and pathological values in CSF. The coefficient of variation [CV], the number of participating laboratories and the success quota for the success interval [median ± 25%] are interpreted in the commentary of this survey [Nov 12, www.instandev.de] 
