Murray M Pollack1, Richard Holubkov2, Ron Reeder2, J Michael Dean2, Kathleen L Meert2, Robert A Berg3, Christopher J L Newth4, John T Berger5, Rick E Harrison6, Joseph Carcillo7, Heidi Dalton8, David L Wessel9, Tammara L Jenkins6, Robert Tamburro10. 1. Department of Pediatrics, Children's National Health System and the George Washington University School of Medicine and Health Sciences, Washington, DC. 2. Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT. 3. Department of Pediatrics, Children's Hospital of Michigan, Detroit, MI. 4. Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA. 5. Department of Anesthesiology and Critical Care Medicine, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA. 6. Department of Pediatrics, Children's National Medical Center, Washington, DC. 7. Department of Pediatrics, University of California at Los Angeles, Los Angeles, CA. 8. Department of Critical Care Medicine, Children's Hospital of Pittsburgh, Pittsburgh, PA. 9. Department of Child Health, Phoenix Children's Hospital and University of Arizona College of Medicine-Phoenix, Phoenix, AZ. 10. Pediatric Trauma and Critical Illness Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), the National Institutes of Health (NIH), Bethesda, MD.
Abstract
OBJECTIVES: ICU length of stay is an important measure of resource use and economic performance. Our primary aims were to characterize the utilization of PICU beds and to develop a new model for PICU length of stay. DESIGN: Prospective cohort. The main outcomes were factors associated with PICU length of stay and the performance of a regression model for length of stay. SETTING: Eight PICUs. PATIENTS: Randomly selected patients (newborn to 18 yr) from eight PICUs were enrolled from December 4, 2011, to April 7, 2013. Data consisted of descriptive, diagnostic, physiologic, and therapeutic information. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: The mean length of stay for was 5.0 days (SD, 11.1), with a median of 2.0 days. The 50.6% of patients with length of stay less than 2 days consumed only 11.1% of the days of care, whereas the 19.6% of patients with length of stay 4.9-19 days and the 4.6% with length of stay greater than or equal to 19 days consumed 35.7% and 37.6% of the days of care, respectively. Longer length of stay was observed in younger children, those with cardiorespiratory disease, postintervention cardiac patients, and those who were sicker assessed by Pediatric Risk of Mortality scores receiving more intensive therapies. Patients in the cardiac ICU stayed longer than those in the medical ICU. The length of stay model using descriptive, diagnostic, severity, and therapeutic factors performed well (patient-level R-squared of 0.42 and institution-level R-squared of 0.76). Standardized (observed divided by expected) length of stay ratios at the individual sites ranged from 0.87 to 1.09. CONCLUSIONS: PICU bed utilization was dominated by a minority of patients. The 5% of patients staying the longest used almost 40% of the bed days. The multivariate length of stay model used descriptive, diagnostic, therapeutic, and severity factors and has potential applicability for internal and external benchmarking.
OBJECTIVES: ICU length of stay is an important measure of resource use and economic performance. Our primary aims were to characterize the utilization of PICU beds and to develop a new model for PICU length of stay. DESIGN: Prospective cohort. The main outcomes were factors associated with PICU length of stay and the performance of a regression model for length of stay. SETTING: Eight PICUs. PATIENTS: Randomly selected patients (newborn to 18 yr) from eight PICUs were enrolled from December 4, 2011, to April 7, 2013. Data consisted of descriptive, diagnostic, physiologic, and therapeutic information. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: The mean length of stay for was 5.0 days (SD, 11.1), with a median of 2.0 days. The 50.6% of patients with length of stay less than 2 days consumed only 11.1% of the days of care, whereas the 19.6% of patients with length of stay 4.9-19 days and the 4.6% with length of stay greater than or equal to 19 days consumed 35.7% and 37.6% of the days of care, respectively. Longer length of stay was observed in younger children, those with cardiorespiratory disease, postintervention cardiac patients, and those who were sicker assessed by Pediatric Risk of Mortality scores receiving more intensive therapies. Patients in the cardiac ICU stayed longer than those in the medical ICU. The length of stay model using descriptive, diagnostic, severity, and therapeutic factors performed well (patient-level R-squared of 0.42 and institution-level R-squared of 0.76). Standardized (observed divided by expected) length of stay ratios at the individual sites ranged from 0.87 to 1.09. CONCLUSIONS: PICU bed utilization was dominated by a minority of patients. The 5% of patients staying the longest used almost 40% of the bed days. The multivariate length of stay model used descriptive, diagnostic, therapeutic, and severity factors and has potential applicability for internal and external benchmarking.
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