Preventable complications in epilepsy admissions: The “July effect”

Natalie S. Pierson, Daniel R. Kramer, Timothy Wen, Lianne Ho, Arati Patel, Daniel Donoho, Vivek Mehta, Christianne Heck, Brian Lee, William J. Mack, Charles Y. Liu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Background Inpatient hospital stays for patients with epilepsy represent a significant burden on patients and society. Identifying factors that contribute to such costs aides in developing effective strategies to address this burden. July admissions have been associated with higher rates of complications and worse outcomes, attributed to the presence of new physicians. This study aims to evaluate whether epilepsy patients admitted in July have higher preventable complication rates and mortality than during the rest of the year. Methods Data was derived from the Nationwide Inpatient Sample (NIS) for epilepsy admissions for the years 2000–2010. Multivariable analyses assessed the effect of July against non-July admission on “hospital acquired complications” (HAC), which are complications identified as owing to preventable causes and mortality. Additionally, the total adjusted charges and prolonged length of stay (pLOS) for July admissions were compared to the 50th percentile. Results A total of 12,997,181 admissions for epilepsy were identified with 993,619 (8%) occurring in July, 10,810,900 (83%) were non-July months, and 1,192,662 (9%) were missing data. Patients admitted in July showed an increased association for HAC events (RR = 1.02, [1.01,1.03], p < 0.01), but a decrease in mortality (RR = 0.96, [0.95,0.97], p < 0.01). There was no difference in rates of higher total adjusted charges for July admissions (RR = 1.00, [1.00,1.00], p < 0.01) and a decrease in rates of pLOS (RR = 0.99, [0.98,0.99], p < 0.01). Conclusion In the epilepsy population, although July admissions were associated with a slight increase in HAC events, there was a non-significant or decreased rate of mortality, LOS, and total charge. Our results suggest that although complications were increased in July, possibly due to new staff, supervision is sufficient to prevent significant burden on patients and hospitals.

Original languageEnglish (US)
Pages (from-to)101-106
Number of pages6
JournalEpilepsy Research
Volume137
DOIs
StatePublished - Nov 2017

Keywords

  • Epilepsy
  • Hospital acquired conditions
  • Inpatient admission
  • July effect
  • Mortality
  • National discharges
  • Never events

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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