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Table 1 Intra- and inter-assay variation of the four Lumipulse assays on CSF samples

From: Clinical validation of the Lumipulse G cerebrospinal fluid assays for routine diagnosis of Alzheimer’s disease

 

Mean concentration (pg/mL)

Intra-assay

Inter-assay

SD (pg/mL)

%CV

SD (pg/mL)

%CV

Aβ42

     

 Low

193

5.4

2.79

6.3

3.28

 Medium

648

12.6

1.94

13.7

2.11

 High

1056

30.0

2.84

33.2

3.14

Aβ40

     

 Low

3369

31

1.21

185

5.50

 Medium

5519

26

0.82

230

4.17

 High

12,307

105

1.35

444

3.61

t-Tau

     

 Low

223

7.3

3.25

10.7

4.79

 Medium

673

6.3

0.93

9.7

1.45

 High

992

12.9

1.30

7.9

0.79

p-Tau

     

 Low

24.7

0.21

0.82

0.48

1.96

 Medium

45.6

0.52

1.12

0.99

2.17

 High

206.4

1.36

0.66

7.38

3.58

  1. SD standard deviation, CV coefficient of variation
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Alzheimer's Research & Therapy

ISSN: 1758-9193