A retrospective, observational study compiled data from all consecutively admitted patients
older than 18 years at ICU University Hospital in Olomouc in the period from 1 January 2011
to 31 December 2015 who fulfilled the criteria of HAP. The aim was to determine the severity
of the specific risk factors of early and late HAP. Risk factors were divided into factors
from the patient and from the hospitalization. Furthermore, an assessment of their
relationship to mortality.