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Table 5 Multiple linear regression - total tau

From: Factors that influence the levels of cerebrospinal fluid biomarkers in memory clinic patients

Variables Unadjusted standardized beta P R square Adjusted standardized beta P
Patients with MMSE sum score ≥ 25, N = 134
 Diagnoses (AD/aMCI = 2, others = 1) 0.44 <0.001 0.19 0.36 <0.001
 Age 0.12 0.16 0.007   
 Sex (1 = women, 2 = men) −0.17 0.05 0.02   
 ApoE ε4 genotype (neg = 1, pos = 2) 0.26 0.002 0.06 0.2 0.008
 Amyloid β −0.36 <0.001 0.12   
 MMSE −0.39 <0.001 0.15 −0.31 0.001
 R square     0.32  
Patients with MMSE sum score < 25, N = 119
 Age 0.07 0.46 −0.004   
 Sex (1 = women, 2 = men) −0.02 0.87 −0.008   
 ApoE ε4 genotype (neg = 1, pos = 2) 0.18 0.05 0.03   
 Amyloid β −0.25 0.005 0.06 −0.24 0.01
 MMSE −0.16 0.09 0.02   
 R square     0.07  
  1. AD/aMCI Alzheimer’s dementia/amnestic mild cognitive impairment
  2. MMSE missing in 4 patients
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