Likewise, the underlying rapidly fatal diseases were mainly referred to malignancy and led to a similar scenario as in the aforementioned clinical setting. With regard to the causative pathogens, those with E. coli bacteremia more often received inappropriate empirical therapy.
It is likely that E. coli was dominant in community-acquired and health-care-associated pneumonia, for which physicians rarely considered ESBL producers as causative pathogens and less likely prescribed carbapenem therapy as empirical therapy.