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Table 3 Logistic regression model using standard selection criteria with the target parameter "SAE".

From: Systemic air embolism during percutaneous core needle biopsy of the lung: frequency and risk factors

 

Model

Selection criteria

Wald

p

Assessment

Needle penetration depth in the tumor (Needle tip not in the tumor is risk factor)

1

Standard

6.9

0.009

Most important independent risk factor

Intubation anesthesia (Anesthesia is risk factor)

1

Standard

5.7

0.017

Independent risk factor

Height above the level of the left atrium (Height is risk factor)

1

Standard

5.2

0.023

Independent risk factor

Prone or supine position (prone position is risk factor)

1

Standard

4.3

0.038

Independent risk factor