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Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: Development and external validation of the DOAT and DOATS scores: simple decision support tools to identify disease progression among nonelderly patients with mild/moderate COVID-19

Fig. 1

Flowchart of patient recruitment in this study. Among all registered inpatients with COVID-19 in Fukushima, 1,675 were selected for the present study. Disease severity was classified into mild, moderate-1, moderate-2, and severe in accordance with the definition of the Japanese Ministry of Health, Labor and Welfare, as described in the Methods section of this manuscript

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BMC Pulmonary Medicine

ISSN: 1471-2466

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