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Table 7 Influence of extrathoracic factors and thoracic diagnoses on survival (factors with significantly adverse prognosis are written in bold letters)

From: Predictors of poor outcomes after significant chest trauma in multiply injured patients: a retrospective analysis from the German Trauma Registry (Trauma Register DGU®)

 

Regression coefficient B

Significance p=

Exp(B) = odds ratio

95% CI for OR

Upper

Lower

Thoracic vessel injuries

 

.000

   

Vessel injuries AIS 2

.554

.310

1.740

.597

5.071

Vessel injuries AIS 3

.913

.000

2.492

1.522

4.081

Vessel injuries AIS 4

-.020

.927

.980

.634

1.513

Vessel injuries AIS 5

1.683

.000

5.382

3.669

7.894

Vessel injuries AIS 6

2.864

.000

17.531

7.688

39.976

Lung contusions

 

.000

   

Unilateral minor (AIS 2)

-.577

.000

.562

.474

.665

Unilateral major (AIS 3)

-.264

.000

.768

.682

.865

Bilateral (AIS 4)

.374

.000

1.454

1.226

1.723

Lung lacerations

 

.000

   

Unilateral minor (AIS 3)

-.280

.015

.756

.603

.948

Unilateral major or bilateral minor (AIS 4)

-,103

,290

,902

,745

1,092

Bilateral major (AIS 5)

1,114

,000

3,047

2,061

4,505

Rib fractures

 

,000

   

One rib (AIS 1)

-,018

,895

,983

,758

1,273

Two ribs (AIS 2)

-,558

,000

,572

,467

,702

Three or more (AIS 3)

-,338

,000

,713

,630

,808

Flail chest

 

,000

   

Unilateral minor (AIS 3)

-,089

,374

,914

,751

1,114

Unilateral minor (AIS 3)

-,091

,408

,913

,737

1,132

Bilateral (AIS 5)

,530

,000

1,698

1,401

2,059

Patient age

 

,000

   

Age 55-64

,424

,000

1,527

1,313

1,777

Age 65-74

,970

,000

2,638

2,298

3,028

Age 75+

1,940

,000

6,957

6,100

7,934

Pneumothorax/Hemopneumothorax

 

,000

   

Minor Pneumothorax/NFS (AIS 2)

-,332

,000

,718

,596

,864

Minor Hemopneumothorax (AIS 3)

-,309

,000

,734

,626

,861

Major Hemothorax or Pneumothorax (AIS 4)

-,050

,475

,952

,830

1,090

Tension (AIS 5)

,136

,187

1,145

,936

1,401

Blood transfusion

 

,000

   

1-9 Units

,598

,000

1,819

1,628

2,033

10 + Units

1,289

,000

3,630

3,108

4,239

Initial systolic pressure < 90

,695

,000

2,004

1,804

2,227

Systolic pressure < 90 upon admission

1,106

,000

3,023

2,706

3,377

AIS Head ≥ 3

1,367

,000

3,922

3,552

4,332

AIS Abdomen ≥ 3

,314

,000

1,368

1,222

1,533

Sternal fracture

-,228

,008

,796

,672

,943

Structural heart injury (AIS ≥ 3)

1,502

,000

4,491

2,894

6,970

Constant

-3,519

,000

,030

  
  1. The variables influencing the target variable mortality following blunt thoracic trauma have been investigated using logistic regression analysis and forward selection for each variable as documented in the registry.