Table 5 Multicollinearity diagnostics: tolerance and VIF for independent variables.

From: Guiding significance of the autophagy intensity of lumbar intervertebral discs and the Charlson Comorbidity Index in predicting the postoperative curative effect of patients with single-level lumbar disc herniation

Variable

Unstandardized Coefficient (B)

Standard Error

Standardized Coefficient (Beta)

Tolerance

VIF

Age

-0.008

0.006

-0.325

0.431

2.320

Autophagy intensity

-0.025

0.179

-0.029

0.528

1.893

Pfirrmann classification

-0.056

0.138

-0.089

0.436

2.295

CCI classification

-0.421

0.141

-0.467

0.874

1.144

  1. Tolerance < 0.1 or VIF > 10 indicates serious multicollinearity; VIF > 5 is considered moderate multicollinearity. All VIF values in this study were within acceptable limits, suggesting no significant multicollinearity among the variables.
Back to article page