Research Article

Incidence and Risk Factors of Ventilator-Associated Pneumonia among Patients with Delirium in the Intensive Care Unit: A Prospective Observational Study

Table 1

Baseline demographic and clinical characteristics and outcomes of patients with delirium according to with and without VAP (n = 108).

VariablesPatients without VAP (n = 92)Patients with VAP (n = 16)Total patients (n = 108) value

AgeMean ± SD (years)37.82 ± 10.9651.06 ± 11.4839.78 ± 11.96<0.001
Range (years)(25–52)(38–68)(25–68)

GenderMale (%)70 (76.1)9 (56.3)79 (73.1)0.098
Female (%)22 (23.9)7 (43.8)29 (26.9)

Cause of ICU admissionHead trauma (%)78 (84.8)15 (93.8)93 (86.1)0.462
Chest trauma (%)8 (8.7)1 (6.3)9 (8.3)
Abdominal trauma (%)6 (6.5)06 (5.6)

Illness scoring systemsAPACHE IV, mean ± SD13.80 ± 1.6519.87 ± 2.6314.70 ± 2.82<0.001
RASS, mean ± SD2.97 ± 0.792.93 ± 0.852.97 ± 0.810.852

Onset of deliriumMean ± SD (days)4.17 ± 1.115.62 ± 1.704.38 ± 1.310.004
Serum glucose levelsMean ± SD (mg/dL)174.89 ± 12.25178.81 ± 27.36175.47 ± 15.310.347
OutcomesICU LOS, mean ± SD (days)12.93 ± 1.7121.68 ± 4.2614.23 ± 3.84<0.001
Mortality rate (%)05 (31.25)5 (4.6)<0.001

VAP: ventilator-associated pneumonia; APACHE IV: Acute Physiology and Chronic Health Evaluation IV; RASS: Richmond Agitation-Sedation Scale; LOS: length of stay; statistically significant <0.05.