Until now the majority of pneumonia etiologic studies are based on selected series of hospitalized patients, and there have been no recent, comprehensive population-based studies including hospitalized patients and outpatients treated by family physicians.
Botto LD, Lin AE, Riehle-Colarusso T, Malik S, Correa A. Seeking causes: Classifying and evaluating congenital heart defects in etiologic studies.
Disease-induced changes in blood concentrations of lipids may bias etiologic studies.
Conclusion: Our results indicate that T maltophilum should be included in etiologic studies of endodontic diseases. ORAL Surg Oral Med Oral Pathol Oral Radiol Endod 2001;92 329-34).
Neurodevelopmental outcomes including behavior, executive functioning, and IQ exhibit complex correlational structures, although they are often treated as independent in etiologic studies.
Participants provided blood and tissue samples for etiologic studies of cancer [96] and all participants provided written informed consent.
Diagnostic accuracy studies are, in contrast to etiologic studies, typically cross-sectional in nature.
Pneumonia etiologic studies have depended largely on blood culture, which is insensitive [ 2].
RNeasy Mini Kit (QIAGEN) was used to extract viral RNA for etiologic studies.
TRIPOD is not intended for multivariable modeling in etiologic studies or for studies investigating single prognostic factors.
