In all patients studied during life, the results
from the PSB procedure affected long-term
Clinical response was one of the criteria for defining pneumonia
in all studies except for the one that used autopsy.18 The
four studies in which postmortem bronchoscopy and autopsy were
performed20,29,41,99 did not have that bias. The fact that
the results from the autopsy studies were similar to those from the
clinical studies supports the results of the latter.