Table 1 Summary of linear regression and Bland–Altman analyses.

From: Stand-alone MRI tool for semiautomatic volumetry of abdominal adipose compartments in patients with obesity

Tissue

Reader

Eq. between methods

R2adj

σBA [L]

ΔBA [L]

P (∆BA)

SAT

R1

Vnew = 0.939 ∙ Vref + 0.670 L

0.998

0.49

-0.29

 < 0.05 *

R2

Vnew = 0.972 ∙ Vref + 0.331 L

0.998

0.36

-0.11

0.206

VAT

R1

Vnew = 0.826 ∙ Vref + 0.746 L

0.889

0.63

-0.22

0.134

R2

Vnew = 0.977 ∙ Vref + 0.074 L

0.913

0.53

-0.05

0.656

Tissue

Method

Eq. between readers

R2adj

σBA [L]

ΔBA [L]

P (σBA)

SAT

ref

VR2 = 0.977 ∙ VR1 + 0.176 L

0.996

0.44

-0.19

0.072

new

VR2 = 1.013 ∙ VR1 – 0.199 L

0.998

0.26

0.00

0.958

VAT

ref

VR2 = 0.908 ∙ VR1 + 0.541 L

0.883

0.63

0.03

0.836

new

VR2 = 1.100 ∙ VR1 – 0.336 L

0.954

0.42

0.20

0.051

  1. ref/new: reference/new method (sliceOmatic/segfatMR); R2adj. adjusted R square.
  2. σBA/ΔBA/P (ΔBA): standard deviation/mean (bias) of volume differences [L], P value for bias.
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