Table 4

Multivariate regression models of factors predicting oxidation parameters in mixtures of LDL and HDL2.

Dependent variable
Independent variable
Standardized regression coefficient β
p-Value
Total model

LDL + HDL2




Lag time (min)
fB-Glucose
0.410
0.00037
R2 = 0.296

PI of HDL2
-0.351
0.00276
p < 0.00005
LDL + HDL2




Oxidation rate (μmol/ml/min)
ΣPUFA of LDL
0.424
0.0325
R2 = 0.57

ΣPUFA of HDL2
0.352
0.0129
p < 0.00000
LDL + HDL2




Maximum diene
HDL2 18:2n-6
0.429
0.00015
R2 = 0.55
concentration (nmol/mg)
LDL 18:1n-9
-0.292
0.0071
p < 0.00000

LDL/apoB
0.287
0.0033


Abbreviations: PI, peroxidizability index; ΣPUFA, sum of percentages of polyunsaturated fatty acids; LDL/apoB, the ratio of LDL cholesterol to apoB concentration. Stepwise forward regression analysis

Solakivi et al. Lipids in Health and Disease 2005 4:25   doi:10.1186/1476-511X-4-25