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. 2021 Apr 29;47(3):624-634.
doi: 10.1093/schbul/sbaa158.

Disparities in Intensive Care Unit Admission and Mortality Among Patients With Schizophrenia and COVID-19: A National Cohort Study

Guillaume Fond  1   2 , Vanessa Pauly  1   2 , Marc Leone  3 , Pierre-Michel Llorca  1   4 , Veronica Orleans  2 , Anderson Loundou  2 , Christophe Lancon  1   2 , Pascal Auquier  2 , Karine Baumstarck  2 , Laurent Boyer  1   2
Affiliations

Disparities in Intensive Care Unit Admission and Mortality Among Patients With Schizophrenia and COVID-19: A National Cohort Study

Guillaume Fond et al. Schizophr Bull. .

Abstract

Patients with schizophrenia (SCZ) represent a vulnerable population who have been understudied in COVID-19 research. We aimed to establish whether health outcomes and care differed between patients with SCZ and patients without a diagnosis of severe mental illness. We conducted a population-based cohort study of all patients with identified COVID-19 and respiratory symptoms who were hospitalized in France between February and June 2020. Cases were patients who had a diagnosis of SCZ. Controls were patients who did not have a diagnosis of severe mental illness. The outcomes were in-hospital mortality and intensive care unit (ICU) admission. A total of 50 750 patients were included, of whom 823 were SCZ patients (1.6%). The SCZ patients had an increased in-hospital mortality (25.6% vs 21.7%; adjusted OR 1.30 [95% CI, 1.08-1.56], P = .0093) and a decreased ICU admission rate (23.7% vs 28.4%; adjusted OR, 0.75 [95% CI, 0.62-0.91], P = .0062) compared with controls. Significant interactions between SCZ and age for mortality and ICU admission were observed (P = .0006 and P < .0001). SCZ patients between 65 and 80 years had a significantly higher risk of death than controls of the same age (+7.89%). SCZ patients younger than 55 years had more ICU admissions (+13.93%) and SCZ patients between 65 and 80 years and older than 80 years had less ICU admissions than controls of the same age (-15.44% and -5.93%, respectively). Our findings report the existence of disparities in health and health care between SCZ patients and patients without a diagnosis of severe mental illness. These disparities differed according to the age and clinical profile of SCZ patients, suggesting the importance of personalized COVID-19 clinical management and health care strategies before, during, and after hospitalization for reducing health disparities in this vulnerable population.

Keywords: COVID-19; health services research; psychiatry; public health; real-life data; schizophrenia.

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Figures

Fig. 1.
Fig. 1.
Flow chart.
Fig. 2.
Fig. 2.
In-hospital mortality by age classes. <55 years: P = .0643; ≥55 and <65 years: P = .1083; ≥65 and <80 years: P = .0063; >80 years: P = .3762.
Fig. 3.
Fig. 3.
ICU admission by age classes. <55 years: P = .0055; ≥55 and <65 years: P = .5175; ≥65 and <80 years: P < .0001; >80 years: P = .0246.
See this image and copyright information in PMC

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