COVID-19 outpatients and surviving inpatients exhibit comparable blood test results that are distinct from non-surviving inpatients

Year 2021, , 306 - 313, 21.05.2021

Ayse Ulgen , Şirin Çetin , Pervin Balcı Hakan Şıvgın Sevdiye Şıvgın Meryem Çetin , Wentian Li

https://doi.org/10.32322/jhsm.900462

Cited By: 3

Abstract

Aim: The decision of admitting COVID-19 patients as inpatients is mostlydetermined by chest X-ray based diagnosis of pneumonia severity. However, prognosis of inpatients may diverge into two groups, onegroup of inpatients did not survive while another group did.
Material and Method: More than 100 COVID-19 outpatients are collected from Tokat, Turkey in three categories: outpatients, surviving inpatients, and deceased inpatients. Their blood test profiles are analyzed and compared bydimension reduction techniques and classic statistical tests.
Results: We observe that surviving inpatients share a common blood test profilewith the outpatients, whereas non-surviving inpatients aredistinctively different. The non-surviving inpatients areon average older. Among patients older than certain age, non-survivinginpatients have higher neutrophil level, lower lymphocyte level(thus higher neutrophil/lymphocyte ratio), lower calcium level,higher C-reactive-protein, sodium, whole blood cell level, andlower hemoglobin level, than the surviving patients (whether these are inpatients or outpatients).
Conclusion: Surviving status is more important than in- and out-patient statusin a patient’s cluster membership based on blood test profile. This result suggests a plan to use both X-ray diagnosis and blood testresults as a criterion to admit COVID-19 inpatients.

Keywords

COVID-19, outpatients, surviving, non-surviving

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