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Table 5 Logistic regression - backward selection (18 parameters)

From: Accuracy of invasive arterial pressure monitoring in cardiovascular patients: an observational study

Variable P -value
Anthropometric  
Age 0.7077
Sex 0.2404
Body surface area 0.4456
Clinical  
Polydistrectual arteriopathy 0.0025
Coronary artery disease 0.2651
Valvular disease 0.8716
Abdominal aortic aneurysm 0.6594
Carotid artery disease 0.3624
History of arterial hypertension 0.0836
Non-insulin dependent diabetes mellitus 0.1804
Chronic renal failure 0.7213
Chronic obstructive pulmonary disease 0.0082
Left ventricle ejection fraction 0.4889
Heart rate (beats/minute) 0.5753
Core temperature 0.1233
Pharmacologic  
Sedation 0.0078
Norepinephrine infusion 0.1142
Technical  
Catheter diameter (18- or 20-gauage) <0.0001