Abstract purpose: Although nosocomial pneumonia is a common problem in intubated and
ventilated patients, previous studies have not clearly demonstrated that nosocomial
pneumonia actually results in increased mortality or prolongs hospitalisation of these
patients. In an attempt to answer these questions, we have performed a cohort study in
which patients who developed nosocomial pneumonia and control subjects were carefully
matched for the severity of underlying illness and other important variables. patients and …