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Table 4 Summary of forward multiple regression analyses between the measured independent variables: SOD, CAT and GPX activities in the tumor and the TBARS in the tumor as measured after two weeks on the diet but before DOX treatment or as measured 24 h after a single injection of DOX and the dependent variable, tumor growth rate during 5 weeks of DOC treatment.

From: Role of lipid peroxidation and antioxidant enzymes in omega 3 fatty acids induced suppression of breast cancer xenograft growth in mice

Variable entered into equation Parameter estimate Partial R2 (Contribution each variable) Cumulative R2 (Cumulative contribution)
Intercept -17.3   
GPX 0.138 0.78 0.78
TBARS after DOX 6.50 0.19 0.97