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Multicenter Study
. 2022 Jun 15:17:e249.
doi: 10.1017/dmp.2022.159.

Effect of Coronavirus Disease 2019 (Covid-19), a Nationwide Mass Casualty Disaster on Intensive Care Units: Clinical Outcomes and Associated Cost-of-Care

Allison M Henning  1 , Neal J Thomas  2 , Duane C Williams  2 , David M Shore  3 , Michelle E Memmi  4 , Li Wang  5
Affiliations
Multicenter Study

Effect of Coronavirus Disease 2019 (Covid-19), a Nationwide Mass Casualty Disaster on Intensive Care Units: Clinical Outcomes and Associated Cost-of-Care

Allison M Henning et al. Disaster Med Public Health Prep. .

Abstract

Objective: The COVID-19 pandemic resulted in millions of deaths worldwide and is considered a significant mass-casualty disaster (MCD). The surge of patients and scarcity of resources negatively impacted hospitals, patients and medical practice. We hypothesized ICUs during this MCD had a higher acuity of illness, and subsequently had increased lengths of stay (LOS), complication rates, death rates and costs of care. The purpose of this study was to investigate those outcomes.

Methods: This was a multicenter, retrospective study that compared intensive care admissions in 2020 to those in 2019 to evaluate patient outcomes and cost of care. Data were obtained from the Vizient Clinical Data Base/Resource Manager (Vizient Inc., Irvine, Texas, USA).

Results: Data included the number of ICU admissions, patient outcomes, case mix index and summary of cost reports. Quality outcomes were also collected, and a total of 1304981 patients from 333 hospitals were included. For all medical centers, there was a significant increase in LOS index, ICU LOS, complication rate, case mix index, total cost, and direct cost index.

Conclusion: The MCD caused by COVID-19 was associated with increased adverse outcomes and cost-of-care for ICU patients.

Keywords: cost-of-care; disaster response; health economic outcomes; mass casualty outcomes; patient outcomes.

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