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Differences in mortality between weekend and weekday hospital admissions among stroke patients in Florida

A Adel, A Abdullah, A Yazeed, A Juan, A Sami, Z Juan
Published in : HAMDAN MEDICAL JOURNAL ; Vol 8, No 4 (2015): Supplement Issue
DOI : 10.7707/hmj.584

Abstract


Introduction: Stroke was the fourth most common cause of death in 2010 and the cause of nearly 130000 deaths in the USA. Several studies found that weekend admission of patients with ischaemic stroke was associated with a higher mortality than weekday admission. However, other studies have reported no difference between weekend and weekdays admission on mortality. In Florida, there is limited published data showing differences in mortality between weekend and weekday hospital admissions in patients with stroke.

Objectives: To determine the differences in mortality between weekend and weekday hospital admissions among patients with stroke living in Florida.

Materials and methods: The study had a non-concurrent cohort design. A secondary analysis was conducted utilizing the Florida Stroke Registry database from 2008 to 2012. The database consists of hospital discharge data and demographic and clinical data for 333366 patients reported to the Florida Agency for Health Care Administration, [International Classification of Diseases , ninth revision (ICD-9) codes 430– 438]. Statistical analysis was performed using IBM SPSS Statistics version 20 (IBM Corporation, Armonk, NY, USA). Descriptive analysis was performed for all variables. Binominal logistic regression analysis was conducted to adjust for potential confounders in the relation between the day of the week and mortality.

Results: Overall, 78% of patients were admitted on weekdays and 22% of patients were admitted on weekends. Patients who were admitted to Florida hospitals during weekends were 25% more likely to die than patients admitted on weekdays [odds ratio (OR)=1.25, 95% confidence interval (CI): 1.16 to 1.33]. The adjusted model showed that those patients who were admitted on weekends were 35% (OR=1.35, 95% CI: 1.27 to 1.44) more likely to die than patients admitted on weekdays, while adjusting for age, gender, race and ethnicity, length of stay, diabetes mellitus and hypertension.

Conclusions: Patients with stroke who were admitted to Florida hospitals during weekends had a significantly higher mortality than patients who were admitted during weekdays.

Acknowledgements: We are grateful for the help and support for Suliman Aba Al-Khail, Khalid Al-Qumaizi, Grettel Castro, Pura Rodriguez and Naomie Jean.


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