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Table 2 Univariate linear regression of factors associated with B12 levels at time of diagnosis

From: Vitamin B12 measurements across neurodegenerative disorders

Diagnosis

Coefficient

(95% CI)

P-value

Parkinson’s disease

Ref

  

 Alzheimer’s disease

10.4

(−27.7, 48.5)

0.59

 Dementia with Lewy bodies

63.9

(−0.06, 128)

0.05

 Frontotemporal dementia

88.2

(12.7, 164)

0.02

 Mild cognitive impairment

44.6

(9.77, 80.5)

0.015

 Multiple systems atrophy

95.0

(−22.1, 212)

0.11

 Progressive supranuclear palsy

84.4

(2.74, 166)

0.04

Female gender

−9.56

(−35.2, 16.1)

0.47

Age at diagnosis

−0.99

(−2.28, 0.29)

0.13

Multivitamin use

91.1

(62.4, 120)

< 0001

B12 supplementation

88.7

(35.3, 142)

0.001

Metformin

23.0

(−26.3, 72.3)

0.36

Proton Pump Inhibitor

0.62

(−34.2, 35.5)

0.97