Table 5

Factors associated with duration of mechanical ventilation longer than median (14 days) in patients with (cases) and without (controls) ventilator-associated tracheobronchitis

Factor

Univariate analysis

Multivariate analysis

Number of patients (n = 110)

Number of patients with MV duration ≥ 14 days (%)

P

OR (95% CI)

P

Renal failure on ICU admission

Yes

24

18 (75)

0.002

4.9 (1.6–14.6)

0.004

No

86

34 (39)

Tracheostomy

Yes

17

13 (76)

0.009

4.0 (1.1–14.5)

0.032

No

93

39 (41)

VAT related to multidrug-resistant bacteria

Yes

31

22 (70)

0.002

-

-

No

79

30 (37)

VAT

Yes

55

35 (63)

0.001

3.5 (1.5–8.3)

0.004

No

55

17 (30)

CI, confidence interval; ICU, intensive care unit; MV, mechanical ventilation; OR, odds ratio; VAT, ventilator-associated tracheobronchitis.

Nseir et al. Critical Care 2005 9:R238   doi:10.1186/cc3508