{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T00:28:24Z","timestamp":1791851304126,"version":"4.3.4"},"reference-count":32,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Biomed Sci"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>Early diagnosis of dengue virus infection during the febrile stage is essential for adjusting appropriate management. This study is to identify the predictive markers of clinical and laboratory findings in the acute stage of dengue infection during a major outbreak of dengue virus type 1 that occurred in southern Taiwan during 2007. A retrospective, hospital-based study was conducted at a university hospital in southern Taiwan from January to December, 2007. Patient who was reported for clinically suspected dengue infection was enrolled. Laboratory-positive dengue cases are confirmed by enzyme-linked immunosorbent assay of specific dengue IgM, fourfold increase of dengue-specific IgG titers in convalescent serum, or by reverse transcription-polymerase chain reaction (RT-PCR) of dengue virus.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>The suspected dengue cases consist of 100 children (\u2264 18\u00a0years) and 481 adults. Among the 581 patients, 67 (67%) children and 309 (64.2%) adults were laboratory-confirmed. Patients who had laboratory indeterminate were excluded. Most cases were uncomplicated and 3.8% of children and 2.9% of adults developed dengue hemorrhagic fever or dengue shock syndrome (DHF\/DSS). The overall mortality rate in those with DHF\/DSS was 7.1%, and the average duration of hospitalization was 20\u00a0days. The most common symptoms\/signs at admission were myalgia (46.8%), petechiae (36.9%) and nausea\/vomiting (33.5%). The most notable laboratory findings included leukopenia (2966\u2009\u00b1\u20091896\/cmm), thrombocytopenia (102\u2009\u00b1\u200945\u2009\u00d7\u200910<jats:sup>3<\/jats:sup>\/cmm), prolonged activated partial thromboplastin time (aPTT) (45\u2009\u00b1\u200910\u00a0s), and elevated serum levels of aminotransferase (AST, 166\u2009\u00b1\u2009208 U\/L; ALT, 82\u2009\u00b1\u2009103 U\/L) and low C - reactive protein (CRP) (6\u2009\u00b1\u200911\u00a0mg\/L). Based on the clinical features for predicting laboratory-confirmed dengue infection, the sensitivities of typical rash, myalgia, and positive tourniquet test are 59.2%, 46.8%, and 34.2%, while the specificities for above features are 75.4%, 53.5% and 100%, respectively. The positive predictive value (PPV) for combination of leukopenia, thrombocytopenia (&lt; 150\u2009\u00d7\u200910<jats:sup>3<\/jats:sup>\/cmm), elevated aminotransferase (AST\/ALT\u2009&gt;\u20091.5) and low CRP (&lt; 20\u00a0mg\/L) is 89.5%, while the negative predictive value is 37.4%. Furthermore, the PPV of the combination was increased to 93.1% by adding prolonged aPTT (&gt;38 secs).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>Leukopenia, thrombocytopenia, elevated aminotransferases, low CRP and prolonged aPTT, were useful predictive markers for early diagnosis of dengue infection during a large outbreak in southern Taiwan.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1423-0127-20-75","type":"journal-article","created":{"date-parts":[[2013,10,20]],"date-time":"2013-10-20T15:02:24Z","timestamp":1382281344000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":71,"title":["Clinical and laboratory predictive markers for acute dengue infection"],"prefix":"10.1186","volume":"20","author":[{"given":"Tzong-Shiann","family":"Ho","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shih-Min","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yee-Shin","family":"Lin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ching-Chuan","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2013,10,20]]},"reference":[{"issue":"9599","key":"653_CR1","doi-asserted-by":"publisher","first-page":"1644","DOI":"10.1016\/S0140-6736(07)61687-0","volume":"370","author":"SB Halstead","year":"2007","unstructured":"Halstead SB: Dengue. 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