Table 3.

Multicollinearity test for the factors of a multivariate model.

Multicollinearity statistics
Independent variable	Tolerance	Variable inflation factor (VIF)
AGR	0.714	1.401
Prior anticoagulation or antiplatelet therapy	0.996	1.004
Baseline volume ≥30 ml	0.583	1.716
Platelet	0.992	1.008
MV used > 24 hours	0.859	1.164
Surgery	0.646	1.548

AGR, age-to-GCS ratio; MV, mechanical ventilation.