Rotavirus Antigen Positivity in Pediatric Patients: Retrospective Evaluation Based on Clinical and Laboratory Parameters

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dc.contributor.authorKarvar, Sinasi
dc.contributor.authorOkumus, Elif
dc.date.accessioned2026-01-24T12:26:37Z
dc.date.available2026-01-24T12:26:37Z
dc.date.issued2025
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractObjective: Rotavirus is one of the leading viral agents of acute gastroenteritis, particularly in children under five years of age. This study aimed to analyze the association of rotavirus antigen positivity with age groups, seasonal distribution, hospital admission units, and laboratory parameters to contribute to diagnostic processes. Methods: This retrospective cross-sectional study included 23 568 children aged 0-18 years who underwent rotavirus antigen testing at Van Training and Research Hospital between January 1, 2022, and December 31, 2024. Demographic (age, sex) and clinical data were obtained retrospectively from the hospital information system (Karmed). Rotavirus antigen detection was performed on stool samples using the lateral flow (immunochromatographic) rapid test method. Results: Rotavirus antigen positivity was detected in 19.3% of the patients. The highest positivity rate was observed in the 1-4 year age group (24.9%), while the lowest was in the 12-17 year age group (4.5%) (p<0.0001). Positivity rates increased significantly during the autumn and winter months. Laboratory analysis revealed significantly lower leukocyte and lymphocyte counts, as well as potassium levels, in the positive group, whereas the percentage of neutrophils was significantly higher (p<0.0001). No patients showed evidence of severe fluid-electrolyte loss. Receiver operating characteristic (ROC) analysis revealed the highest area under the curve (AUC) for urea (0.599); in multivariate models, the maximum AUC was 0.648, indicating limited diagnostic power of the parameters. Conclusion: Rotavirus infections are most common in early childhood and during the winter months, generally presenting with a mild clinical course. Although statistically significant differences were found in laboratory parameters, they were not diagnostic in isolation and should be interpreted together with clinical findings. Our findings suggest that rotavirus test requests should be planned more effectively based on patient age, seasonal features, and symptomatic evaluation.
dc.identifier.doi10.36519/kd.2025.5331
dc.identifier.endpage167
dc.identifier.issn1301-143X
dc.identifier.issn1309-1484
dc.identifier.issue3
dc.identifier.scopus2-s2.0-105017880976
dc.identifier.scopusqualityQ4
dc.identifier.startpage162
dc.identifier.urihttps://doi.org/10.36519/kd.2025.5331
dc.identifier.urihttps://hdl.handle.net/20.500.12868/4816
dc.identifier.volume38
dc.identifier.wosWOS:001640901300004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isotr
dc.publisherDoc Design Informatics Co Ltd
dc.relation.ispartofKlimik Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20260121
dc.subjectRotavirus
dc.subjectgastroenteritis
dc.subjectpediatrics
dc.subjectwater-electrolyte imbalance
dc.titleRotavirus Antigen Positivity in Pediatric Patients: Retrospective Evaluation Based on Clinical and Laboratory Parameters
dc.title.alternativeÇocuk Hastalarda Rotavirus Antijen Pozitifliği: Klinik ve Laboratuvar Parametrelerine Dayalı Retrospektif Bir Değerlendirme
dc.typeArticle

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