Table 2 Univariate and multivariate analysis of variables

Demographic Characteristics

 Age

   < 40

  40–59

2.019 (0.488–8.347)

0.332

   > 60

2.446 (0.523–11.441)

0.256

 Gender

  Female

1.908 (0.778–4.679)

0.158

 Vascular Risk Factors

  Hypertension

1.232 (0.518–2.928)

0.636

  Diabetes Mellitus

0.953 (0.357–2.542)

0.923

  Dyslipidemia

0.779 (0.344–1.763)

0.549

  Smoking

1.337 (0.40–4.468)

0.637

 Clinical Risk Factors

  aSAH High Grade

2.384 (2.020–12.273)

0.082

0.887

2.428 (1.012–5.824)

0.047

  Cardiovascular Comorbidities

3.203 (0.540–2.387)

0.036

1.054

2.869 (1.054–7.810)

0.039

  Hospital-acquired Pneumonia

7.461 (0.390–4.795)

 < 0.001

2.183

8.869 (3.517–22.364)

 < 0.001

  Hyponatremia

1.943 (0.298–18.598)

0.080

  Hypokalemia

1.219 (2.437–12.502)

0.606

 Treatment of Aneurysm

  Conservative

  Coiling

2.054 (0.804–5.249)

0.133

0.745

2.106 (0.869–5.098)

0.009

  Clipping

5.392 (1.946–14.939)

0.001

1.641

5.161 (2.137–12.463)

 < 0.001

 Airway Support

  Mechanical Ventilation

1.038 (0.293–2.299)

0.930

 Treatment of Hydrocephalus

  Lumbar Drain

0.413 (0.468–3.641)

0.426

  VP Shunt

2.027 (0.789–5.211)

0.142

  EVD

3.424 (0.472–24.864)

0.224

 Cons

0.032 (0.004–0.212)

 < 0.001

-1.576

0.207 (0.096–0.444)

 < 0.001