Construction and Validation of a Risk Prediction Model for Acute Kidney Injury in Patients Suffering from Septic Shock

Table 2

Results of the multicollinearity diagnosis.

Variables	Variance expansion factor
Gender	1.13
Age	1.99
Ethnicity	1.10
Congestive heart failure	1.29
Hypertension	1.21
Diabetes	1.26
Obesity	1.13
APSIII	1.04
SAPS II	3.20
Aminoglycoside	1.08
Glycopeptide antibiotics	1.20
NSAIDs	1.17
Stain	1.17
ACEI/ARBs	1.27
Heart rate	1.55
Systolic pressure	1.68
Diastolic pressure	1.79
Respiratory rate	1.33
Temperature	1.31
SpO2	1.22
Anion gap	3.18
Bicarbonate	3.05
Bilirubin	1.29
Creatinine	2.37
Chloride	1.95
Glucose	1.29
Lactate	1.63
Platelets	1.54
Potassium	1.23
PTT	1.15
APTT	1.17
BUN	2.23
WBC	1.19
Neutrophils	1.03
Lymphocytes	1.10
Gram-positive bacteria	1.08
Gram-negative bacteria	1.12
Mechanical ventilation	1.60

NSAIDs: nonsteroidal anti-inflammatory drugs; ACEI: angiotensin-converting enzyme inhibitors; ARBs: angiotensin receptor blockers; APS III: acute physiology score III; SAPS II: simplified acute physiology score II; SBP: systolic blood pressure; DBP: diastolic blood pressure; PTT: prothrombin time; APTT: activated partial thromboplastin time; BUN: blood urea nitrogen; WBC: white blood cell; AKI: acute kidney injury.