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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