Endoscopy in neutropenic and/or thrombocytopenic patients

Figure 1 Method of literature search on PubMed, Scopus, and Ovid databases.

Figure 2 Nature of patients studied and etiologies of neutropenia or thrombocytopenia.

Figure 3 Size of study.

Figure 4 Proportional distribution of studies with and without bleeding adverse events for platelet threshold level used for taking precautions (i. e., withhold biopsy, transfuse platelets).