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Research Letter
Pacific Coast Surgical Association
August 26, 2020

Association of Weekend Effect With Recovery After Surgery

Author Affiliations
  • 1American College of Surgeons, Chicago, Illinois
  • 2Department of Surgery, Emory University, Atlanta, Georgia
  • 3Surgical Outcomes and Quality Improvement Center, Department of Surgery, Northwestern University, Chicago, Illinois
  • 4David Geffen School of Medicine, Department of Surgery, University of California, Los Angeles, Los Angeles
JAMA Surg. 2020;155(10):988-990. doi:10.1001/jamasurg.2020.2618

Weekend effect is a phenomenon that describes worse patient outcomes for patients treated on the weekend compared with the weekday.1 Weekend effect has been described in surgical populations and is associated with worse outcomes2; however, it is unclear exactly why weekends lead to worse care. One hypothesis could be that worse processes on the weekend contribute to weekend effect, and enhanced recovery protocols are the perfect model to study this. The success of enhanced recovery protocols is particularly dependent on high adherence to process measures.3 Whether process measure adherence is affected by weekend effect remains unknown. Our objectives were to determine if there is an association between day of the week and process measure adherence and to identify hospital-level factors associated with weekend adherence.

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