Table 5 Variance inflation factor (VIF) of salivary biomarkers and demographic features

From: Ultrasensitive detection of six sepsis-associated proteins in neonatal saliva

Feature

All

Exclude CCL20

Exclude CXCL6

Exclude gestational age

Exclude birth weight

Intercept

322

317

319

166

221

CCL20

18.0

N/A

4.01

17.9

17.8

CXCL6

20.7

4.59

N/A

20.6

19.9

CXCL12

1.35

1.30

1.35

1.34

1.34

SAA1

1.65

1.61

1.59

1.47

1.41

LBP

3.09

3.08

2.62

3.06

2.94

Resistin

1.50

1.16

1.24

1.46

1.37

Total Protein

1.22

1.19

1.19

1.21

1.15

Infection Status

1.79

1.78

1.68

1.67

1.70

Sex

2.10

2.08

2.04

2.03

1.56

Gestational Age

6.39

6.33

6.39

N/A

2.14

Birth Weight

8.13

8.00

7.84

2.72

N/A

  1. VIFs calculated for all variables included and after excluding specific variables. The Intercept row represents the VIF for the model intercept and is influenced by the other features. High VIF values indicate potential multi-collinearity among predictors, with VIFs above 10 generally considered problematic. N/A indicates that the variable was excluded from the respective model.
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