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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Alzheimers Dement. 2017 Jul 12;14(1):62–70. doi: 10.1016/j.jalz.2017.06.2264

Table 1.

Characteristics of participants who contributed CSF samples used for the single-run and multi-run INNOTEST comparisons

n= 163
CDR 0/0.5/1/2/3 (n)# 159/4/0/0/0
Age at LP (years) 62.6 ± 8.5
Gender (% female) 67%
LP until initial assay (months) 7.2 ± 15.6
Inter-assay interval (years)+ 5.8 ± 2.2
APOE ε4 frequency 0.20
Multi-run Aβ42 (pg/ml) 686 ± 265
Single-run Aβ42 (pg/ml) 1168 ± 362
Multi-run Tau (pg/ml) 269 ± 178
Single-run Tau (pg/ml) 298 ± 177
Multi-run pTau (pg/ml) 53 ± 28
Single-run pTau (pg/ml) 55 ± 29
#

Clinical Dementia Rating (CDR): cognitively normal 0, very mild dementia 0.5, mild dementia 1, moderate dementia 2, severe dementia 3;

mean ± standard deviation;

+

time interval between single-run and multi-run assays