Effect of preoperative anemia on postoperative outcomes in mixed hemorrhoids: a retrospective observational study.
Long Q; Wen Y; Li J · 2026 · BMC gastroenterology
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 Anemia is a common complication of long-term hematochezia in patients with mixed hemorrhoids. This study aimed to evaluate the effect of preoperative anemia on the prognosis of mixed hemorrhoids after Milligan-Morgan…
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Metadata source: Europe PMC · DOI 10.1186/s12876-026-04921-3