Russell D Dolan1, Marwan S Abougergi2,3, Allison R Schulman4. 1. Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Michigan, 3912 Taubman Center, 1500 E. Medical Center Dr., SPC, Ann Arbor, MI, 5362, USA. 2. Division of Gastroenterology, University of South Carolina School of Medicine, Columbia, SC, USA. 3. Catalyst Medical Consulting, LLC, Baltimore, MD, USA. 4. Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Michigan, 3912 Taubman Center, 1500 E. Medical Center Dr., SPC, Ann Arbor, MI, 5362, USA. arschulm@med.umich.edu.
Abstract
BACKGROUND: Readmission for patients hospitalized with Clostridioides difficile infections (CDIs) carries high morbidity, mortality, and burden on healthcare resources. This study aims to determine if morbid obesity is risk factor for 30-day readmission in patients hospitalized with CDI. METHODS: This retrospective cohort study used the 2014 National Readmission Database. Included patients had a principal diagnosis of CDI and excluded if younger than 18 years of age or admitted during the month of December. Readmissions to any hospital for non-trauma diagnoses within 30 days of the index admission were included. The primary outcome was 30-day all cause readmission. Secondary outcomes were (1) in-hospital mortality; (2) morbidity, initiation of dialysis, or total parenteral nutrition; and (3) resource utilization during index admissions. RESULTS: A total of 91,265 subjects were included in this study, 4388 of whom were morbidly obese. Morbid obesity was associated with significantly higher odds of readmission and was associated with higher adjusted mean total hospitalization charges and costs, higher odds of PMV, and acute renal failure requiring dialysis in individuals that develop CDI. CONCLUSIONS: Morbid obesity is an independent risk factor for 30-day readmission in patients hospitalized for CDI. Morbidly obese patients admitted for CDI experienced higher morbidity and increased resource utilization.
BACKGROUND: Readmission for patients hospitalized with Clostridioides difficile infections (CDIs) carries high morbidity, mortality, and burden on healthcare resources. This study aims to determine if morbid obesity is risk factor for 30-day readmission in patients hospitalized with CDI. METHODS: This retrospective cohort study used the 2014 National Readmission Database. Included patients had a principal diagnosis of CDI and excluded if younger than 18 years of age or admitted during the month of December. Readmissions to any hospital for non-trauma diagnoses within 30 days of the index admission were included. The primary outcome was 30-day all cause readmission. Secondary outcomes were (1) in-hospital mortality; (2) morbidity, initiation of dialysis, or total parenteral nutrition; and (3) resource utilization during index admissions. RESULTS: A total of 91,265 subjects were included in this study, 4388 of whom were morbidly obese. Morbid obesity was associated with significantly higher odds of readmission and was associated with higher adjusted mean total hospitalization charges and costs, higher odds of PMV, and acute renal failure requiring dialysis in individuals that develop CDI. CONCLUSIONS: Morbid obesity is an independent risk factor for 30-day readmission in patients hospitalized for CDI. Morbidly obesepatients admitted for CDI experienced higher morbidity and increased resource utilization.
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