Table 2

Demographic and clinical details of patients and age-/sex-matched volunteers

VAP (n=17)Non-VAP (n=55)Matched volunteers (n=21)
Mean age (range)57 (31–83)58 (25–87)59 (24–84)
Mean (95% CI) APACHE II score23 (20–26)21 (20–23)NA
Median (IQR) days of ventilation before enrolment8 (6–9)8 (5–10)NA
ICU mortality35%36%NA
% With surgical diagnosis on admission65%47%NA
% With ≥1 co-morbidity59%56%NA
% Receiving immunosuppressant drugs (including corticosteroids)12%11%NA
% Receiving antibiotics on day of diagnosis29%60%NA
% With acute lung injury/acute respiratory distress syndrome17%35%NA
% With systemic inflammatory response syndrome (SIRS)88%81%NA
  • APACHE II; Acute Physiology and Chronic Health Evaluation II; ICU, intensive care unit; NA, not applicable; VAP, ventilator-associated pneumonia.