ArticleTherapeutics and clinical risk management2014
Clinical differences between H3N2 and H1N1 influenza 2012 and lower respiratory tract infection found using a statistical classification approach.
Article in Therapeutics and clinical risk management, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 6 citations in OpenAlex.
- Severity of Clinical Presentation and Outcomes in Hospitalized Adult People With Influenza by Type and Subtype, United States-2017-2020.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2026Article
- Long Term Respiratory Follow-Up for COVID-19 Patients a Multicenter Study.Current health sciences journalArticle
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Authors and funding
12 authors at 8 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundInfluenza A H1N1 and H3N2 are two influenza waves that have been identified in past years.
methodsData from 77 inpatients from three tertiary hospitals were included and statistical analysis was performed in three different clusters.
resultsThirty-four patients (44.2%) had respiratory distress upon admission, 31.2% had a smoking history or were active smokers, 37.7% manifested disease symptoms, and 7.8% were obese (body mass index >41). The mean age of patients was 51.1 years. Cough was the most common symptom observed in 77.9% of the patients, accompanied by sputum production (51.9%) and fatigue (42.9%). Hemoptysis and vomiting were rarely recorded in the patients (9.1% and 16.9%, respectively). Oseltamivir administration varied between 0 and 10 days, giving a mean value of 2.2 days. In particular, 19 patients received no drug, 31 patients received drug for only for 1 day, 19 patients for 5 days, and 8 patients from 2 to 10 days.
conclusionClusters of symptoms can be used to identify different types of influenza and disease severity. Patients with vaccination had pneumonia, whereas patients without vaccination had influenza A. Patients more than 54.5 years old had H3N2 and patients less than 54.5 years had H1N1. White blood cell count values increased from normal to elevated in H3N2 patients but still remained abnormal in lower tract infection and H1N1 patients.
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