e-ISSN: Pending
Negative / Null Result ReportOpen accessMedicine· cited by 355

Timing of Endoscopy for Acute Upper Gastrointestinal Bleeding

James Y. Lau; Yuanyuan Yu; Raymond S. Tang; Heyson Chi-hey Chan; Hon‐Chi Yip; Shannon M. Chan; Sally W. Luk; Sunny H. Wong · 2020 · New England Journal of Medicine

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

BACKGROUND: It is recommended that patients with acute upper gastrointestinal bleeding undergo endoscopy within 24 hours after gastroenterologic consultation. The role of endoscopy performed within time frames shorter than 24 hours has not…

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Metadata source: OpenAlex · DOI 10.1056/nejmoa1912484