The full moon and ED patient volumes: Unearthing a myth

David A Thompson*, Stephen L. Adams

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

To determine if there is any effect of the full moon on emergency department (ED) patient volume, ambulance runs, admissions, or admissions to a monitored unit, a retrospective analysis of the hospital electronic records of all patients seen in an ED during a 4-year period was conducted in an ED of a suburban community hospital. A full moon occurred 49 times during the 4- year study period. There were 150,999 patient visits to the ED during the study period, of which 34,649 patients arrived by ambulance. A total of 35,007 patients was admitted to the hospital and 11,278 patients were admitted to a monitored unit. No significant differences were found in total patient visits, ambulance runs, admissions to the hospital, or admissions to a monitored unit on days of the full moon. The occurrence of a full moon has no effect on ED patient volume, ambulance runs, admissions, or admissions to a monitored unit.

Original languageEnglish (US)
Pages (from-to)161-164
Number of pages4
JournalAmerican Journal of Emergency Medicine
Volume14
Issue number2
DOIs
StatePublished - Jan 1 1996

Keywords

  • Full moon
  • ambulance
  • emergency department
  • patients

ASJC Scopus subject areas

  • Emergency Medicine

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