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Table 3 Multiple linear regression - Amyloid β

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

Variables Unadjusted standardized beta P R square Adjusted standardzied beta P
Patients with MMSE sum score ≥ 25, N = 134
 Diagnoses (AD/aMCI = 2, others = 1) −0.33 <0.001 0.1 −0.18 0.02
 Age −0.41 <0.001 0.16 −0.19 0.02
 Sex (1 = women, 2 = men) 0.25 0.007 0.05 0.13 0.07
 ApoE ε4 genotype (neg = 1, pos = 2) −0.53 <0.001 0.27 −0.41 <0.001
 MMSE 0.34 <0.001 0.1 0.21 0.004
 R square     0.43  
Patients with MMSE sum score < 25, N = 119
 Age −0.14 0.13 0.01   
 Sex (1 = women, 2 = men) −0.09 0.34 −0.001   
 ApoE ε4 genotype (neg = 1, pos = 2) −0.12 0.19 0.006   
 MMSE 0.14 0.13 0.01   
 R square     0.0  
  1. AD/aMCI Alzheimer’s dementia/amnestic mild cognitive impairment
  2. MMSE missing in 4 patients
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