Table 3 Results of multivariate analysis

Reference

Odds ratio [95%CI]

p value

Age

< 74 years

1.02 [0.44–2.38]

0.96

Reason of ICU admission

Surgery

1.64 [0.60–4.39]

0.33

APACHE II

–

1.14 [1.08–1.21]

< 0.0001*

Hypertension

No

0.54 [0.24–1.21]

0.13

Heart disease

No

0.76 [0.32–1.76]

0.52

Cerebral stroke

No

0.73 [0.28–1.78]

0.50

Cancer

No

0.79 [0.31–2.03]

0.63

Reference

Odds ratio [95%CI]

p value

Age

–

1.05 [1.01–1.11]

0.02*

Reason of ICU admission

Surgery

1.77 [0.56–5.40]

0.33

Residence before hospitalization

Home

3.94 [0.32–95.1]

0.29

APACHE II

–

1.05 [0.98–1.13]

0.15

Duration of ventilation

–

1.13 [1.03–1.25]

0.009*

Reference

Odds ratio [95%CI]

p value

Age

–

1.06 [1.03–1.10]

0.0002*

Reason of ICU admission

Surgery

2.57 [0.95–7.34]

0.06

Residence before hospitalization

Home

–

0.17

APACHE II

–

1.00 [0.94–1.09]

0.77

SOFA

–

1.04 [0.88–1.23]

0.65

Duration of ventilation

–

1.10 [1.01–1.24]

0.03*