Table 3 Multivariable Cox proportional hazard model of factors associated with 1-year survival

Age > 70 years

0.8

[0.63; 1.01]

Male sex

0.96

[0.75; 1.23]

Stroke type

Ischemic

Ref

Hemorrhagic

0.65

[0.51; 0.85]

SAH

0.54

[0.36; 0.82]

Reason for intubation

Elective procedure

Ref

Seizure

0.55

[0.12; 2.53]

Respiratory failure

0.22

[0.05; 0.95]

Altered mental status

0.19

[0.04; 0.80]

Cardiac arrest

0.08

[0.02; 0.38]

GCS at ICU admission

8–15

Ref

3–7

0.46

[0.34; 0.64]

Non-neurologic SOFA, per point

0.95

[0.91; 0.99]

Acute-phase stroke therapy

1.81

[1.26; 2.60]