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Table 6 Mediation methods for predicting variables

From: Interferon-alpha 2 but not Interferon-gamma serum levels are associated with intramuscular fat in obese patients with nonalcoholic fatty liver disease

 

Coeff.

Std. err.

t

P

[95% Conf. interval]

At Univariate analysis (Robust regression)

 IMTG/IFN-alpha 2

− 0.0151912

0.0043683

− 3.48

0.001

− 0.0238932 to .0064892

 Fibrinogen/IFN-alpha 2

− 0.1085108

0.0262153

− 4.14

0.000

− 0.1607232 to .0562985

 IMTG/Fibrinogen

0.001491

0.0014679

1.02

0.313

− 0.0014314 to .0044134

At MULTIPLE regression

 IMTG/Fibrinogen

− 0.0002527

0.0015718

− 0.16

0.873

− 0.0033839 to − 0.0028785

 IMTG/IFN-alpha 2

− 0.0151912

0.0038637

− 3.93

0.000

− 0.022888 to .0074944

 Beta of IFN-alpha 2

− 0.39; beta of Fibrinogen = − 0.019

  1. The mediation effect of fibrinogen was excluded
  2. The first variable the two showed is the dependent one