{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T13:13:50Z","timestamp":1777727630226,"version":"3.51.4"},"reference-count":35,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2022,2,1]],"date-time":"2022-02-01T00:00:00Z","timestamp":1643673600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2022,2]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>The characteristic features, including blood test data, of the novel coronavirus disease 2019 (COVID-19) versus influenza have not been defined. We therefore compared the clinical parameters, including blood test data, of COVID-19 and influenza.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective cross-sectional survey was conducted at Juntendo University Nerima Hospital. We recruited patients diagnosed with COVID-19 between 1 January 2020 and 31 December 2020 who underwent blood tests. For comparison, we recruited an equivalent number of patients who were diagnosed with influenza and who underwent blood tests.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>During the study period, 228 patients (male:female, 123 [54.0%]:105 [46.0%]; age, 54.68\u2009\u00b1\u200918.98 years) were diagnosed with COVID-19. We also recruited 228 patients with influenza (male:female, 129 [56.6%]:99 [43.4%]; age, 69.6\u2009\u00b1\u200921.25 years). An age of 15 to 70 years (vs. 71 years), breathing difficulty, and malaise were significantly more common in patients with COVID-19 than in those with influenza. However, nausea, body temperature &gt;38.1\u00b0C, and white blood cell count &gt;9000\/\u03bcL were more common in patients with influenza.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Our results are useful for differentiating COVID-19 from influenza, and these findings will be extremely helpful for future practice as we learn to coexist with COVID-19.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03000605221083751","type":"journal-article","created":{"date-parts":[[2022,2,28]],"date-time":"2022-02-28T11:41:06Z","timestamp":1646048466000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Comparison of the clinical parameters of patients with COVID-19 and influenza using blood test data: a retrospective cross-sectional survey"],"prefix":"10.1177","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1658-2223","authenticated-orcid":false,"given":"Sayato","family":"Fukui","sequence":"first","affiliation":[{"name":"Department of General Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akihiro","family":"Inui","sequence":"additional","affiliation":[{"name":"Department of General Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mizue","family":"Saita","sequence":"additional","affiliation":[{"name":"Department of General Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daiki","family":"Kobayashi","sequence":"additional","affiliation":[{"name":"Department of General Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan"},{"name":"Division of General Internal Medicine, Department of Medicine, Tokyo Medical University Ibaraki Medical Center, Ibaraki, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshio","family":"Naito","sequence":"additional","affiliation":[{"name":"Department of General Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2022,2,28]]},"reference":[{"key":"bibr1-03000605221083751","unstructured":"The epidemiological characteristics of an outbreak of 2019 novel coronavirus diseases (COVID-19) in China.\n                      Zhonghua Liu Xing Bing Xue Za Zhi\n                      2020; 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