Table 2 Partial correlations between whole-body fat mass and whole-body fat-free mass from bioelectrical impedance analysis and neuroimaging outcomes adjusted for covariates.

From: Central obesity is selectively associated with cerebral gray matter atrophy in 15,634 subjects in the UK Biobank

Bioelectical impedance

Neuroimaging outcome

r

CI 95%

Adjusted variance explained

p value

 

Whole-body fat mass

Brain volume

−0.07

[−0.09, −0.06]

0.005

1.772 × 10−19

*

GM volume

−0.11

[−0.13, −0.1]

0.012

2.925 × 10−47

*

WM volume

−0

[−0.02, 0.01]

−0.0001

0.533

 

Global Efficiency

0.001

[−0.01, 0.02]

−0.0001

0.823

 

Local Efficiency

0.001

[−0.02, 0.02]

−0.0001

0.887

 

Whole-body-fat free mass

Brain volume

−0.12

[−0.14, −0.11]

0.014

1.439 × 10−53

*

GM volume

−0.17

[−0.18, −0.15]

0.028

5.772 × 10−101

*

WM volume

−0.03

[−0.05, −0.02]

0.0009

0.000037

*

Global Efficiency

0.004

[−0.01, 0.02]

−0.0001

0.588

 

Local Efficiency

0.003

[−0.01, 0.02]

−0.0001

0.688

 
  1. Significant results, at the p = 0.05 level, are shown in bold and with *.
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