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Table 1 Multiple backward step regression analysis of oxidative stress in plasma

From: l-2-oxothiazolidine-4-carboxylate influence on age- and heat exposure-dependent redox changes in rat’s blood plasma

Dependent variables

Adjusted r 2

p

Determinant variable (s)a

β

p

Oxidative stress indices

 Young rats

  Plasma COO

0.42

<0.0078

GSH

−0.69

0.0005

0.62

<0.001

SH

−0.87

0.0001

 Old rats

  Plasma COO

0.41

<0.0056

GSH

−0.74

0.0005

0.64

<0.001

SH

−0.90

0.0001

  1. aExplanatory variables used in the regression analysis were: plasma levels of GSH (glutathione) and SH (protein carbonyls)