Incidence and Risk Factors of Ventilator-Associated Pneumonia among Patients with Delirium in the Intensive Care Unit: A Prospective Observational Study
Table 3
Proportional hazard Cox regression analysis to determine the independent factors associated with VAP in patients with delirium.
Variables
Univariate
Multivariate
HR (95% CI)
value
HR (95% CI)
value
Age
1.021 (0.977–1.068)
0.353
0.987 (0.923–1.056)
0.713
Gender (male vs. female)
0.709 (0.247–2.031)
0.522
0.081 (0.009–1.745)
0.126
Trauma type (head vs. chest and abdominal)
0.211 (0.022–2.026)
0.177
0.381 (0.007–19.49)
0.631
APACHE IV score
1.072 (0.864–1.329)
0.530
1.283 (0.898–1.831)
0.171
RASS score
2.012 (0.916–3.986)
0.191
2.845 (0.965–8.387)
0.058
Onset of delirium
0.817 (0.303–0.906)
0.041
0.465 (0.241–0.894)
0.022
MV duration (days)
6.012 (1.916–10.906)
0.003
4.604 (1.567–6.708)
0.023
Serum glucose level
0.999 (0.976–1.022)
0.919
0.983 (0.945–1.023)
0.394
ICU LOS
2.894 (1.784–4.019)
<0.001
1.854 (1.689–3.059)
0.032
HR: hazard ratio, statistically significant <0.05; APACHE IV: Acute Physiology and Chronic Health Evaluation IV; RASS: Richmond Agitation-Sedation Scale; LOS: length of stay.