Patient enrollment
K.K.Pneumonia
Among 88 patients diagnosed with COVID-19 by PCR testing among patients who visited National Hospital Organization Omuta National Hospital between April and September 2021, 80 patients whose MDW was measured on hospital admission (severity: mild: 18 patients, moderate I: 46 patients, and moderate II: 16 patients) were included in the study. This study also included 232 people who were suspected to have COVID-19 or were diagnosed with non-COVID-19 based on SARS-CoV-2 PCR screening testing before hospital admission. In the study, a comparative evaluation was performed retrospectively using blood samples collected at the initial visit. Severity was classified as mild, moderate I, and moderate II according to the Medical Practice Guidelines Version 6.2 [Background of the COVID-19 groupData are expressed as the median (range)WBC, white blood cell; CRP, C-reactive protein; MDW, monocyte distribution widthBackground of the non-COVID-19 groupData are expressed as the median (range)WBC, white blood cell; CRP, C-reactive protein; MDW, monocyte distribution widthIn the diagnosis of COVID-19, nasopharyngeal swabs were collected from patients, and the samples were analyzed by a fully automated genetic analyzer, Smart Gene (Mizuho Medy, Co., Ltd.). In addition, MDW in EDTA 2 K-added whole blood venous samples was measured by a DxH 900 (Beckman Coulter, K.K.Pneumonia was diagnosed by two radiologists and one pulmonologist based on chest computed tomography (CT) findings at the initial visit to the hospital.This study was conducted after being approved by the ethics committee of National Hospital Organization Omuta National Hospital (Approval No. 3-19).