Table 3 Univariate model of prognostic factors for mortality among TBI patients admitted to the ICU.

Age (years)

1.008 (1.002–1.015)

0.016

Trauma mechanism

Physical Aggression

Ref

GSW/SW

2.985 (1.645–5.415)

0.000

Run over

2.023 (1.198–3.417)

0.008

Cyclist

2.822 (1.409–5.649)

0.003

Collision

1.068 (0.562–2.027)

0.842

Motorbike

1.078 (0.636–1.827)

0.779

SLF

1.495 (0.91–2.458)

0.113

OLF

1.311 (0.754–2.277)

0.337

Apache II score

1.180 (1.155–1.204)

< 0.001

Worst Glasgow Coma Scale score in the first 24 h

0.730 (0.700–0.760)

< 0.001

Classification of Severity of TBI by the worst GCS in the first 24 h

Severe (GCS 3 to 8)

Ref

Moderate (GCS 9 to 12)

2.629 (1.478–4.677)

0,001

Mild (GCS 13 to 15)

15,413 (9,778–24,295)

< 0,001

SOFA score in the first 24 h

1.400 (1.330–1.473)

< 0.001

Number of injuries on cranial CT

None

Ref

One

3.250 (1.146–9.218)

0.027

Two

4.099 (1.414–11.883)

0.009

Three

10.969 (3.602–33.406)

< 0.001

The presence of each of brain injury evidenced on cranial CT compared to having no injuries on CT

Cerebral contusion (ref: 43 patients without injury)

3.596 (1.216–10.636)

0.021

DAI (ref: 43 patients without injury)

1.706 (0.463–6294)

0.422

Fracture and/or depression (ref: 43 patients without injury)

4.039 (1.323–12.335)

0.014

SAH (ref: 43 patients without injury)

5.394 (1.887–15.420)

0.002

SDH (ref: 43 patients without injury)

4.839 (1.694–13.824)

0.003

EDH (ref: 43 patients without injury)

1.842 (0.603–5.634)

0.284

IPH (ref: 43 patients without injury)

3.221 (1.079–9.619)

0.036

Haemoventriculum (ref: 43 patients without injury)

13.406 (3.393–5 2.977)

< 0.0001

Cerebral edema (ref: 43 patients without injury)

21.794 (6.715–70.732)

< 0.001

Ischaemia (ref: 43 patients without injury)

29.250 (4.364–196.069)

< 0.001

Pneumocephalus (ref: 43 patients without injury)

1.773 (2.86–10.990)

0.539

Presence of trauma in another segment in addition to the skull

1.008 (0.754–1.348)

0.957

Number of injured segments in addition to TBI

None

Ref

One

0.891 (0.620–1.280)

0.531

Two

1.425 (0.908–2.238)

0.124

Three or more

0.683 (0.293–1.591)

0.377

Injury follow-up in addition to TBI

Associated thorax injury (ref: absence of thoracic injury)

1.727 (1.192–2.501)

0.004

Associated abdominal injury (ref: absence of abdominal injury)

1.373 (0.777–2.427)

0.275

Associated pelvis injury (ref: absence of pelvis injury)

0.714 (0.198–2.577)

0.607

Associated MRT (ref: absence of MRT)

0.891 (0.488–1.625)

0.706

Associated limb injury (ref: absence of limb injury)

1.020 (0.677–1.536)

0.925

Associated face and/or neck injury (except spine) (ref: absence of face/neck injury)

0.295 (0.146–0.596)

< 0.001