Pitfalls in acute febrile illness diagnosis: Interobserver agreement of signs and symptoms during a dengue outbreak

Sibelle Nogueira Buonora, Sonia Regina Lambert Passos, Regina Paiva Daumas, Matheus Garcia Lago Machado, Guilherme Miguéis Berardinelli, Diana Neves Rodrigues de Oliveira and Raquel de Vasconcellos Carvalhaes de Oliveira

Journal of Clinical Nursing, 2020, vol. 29, issue 9-10, 1590-1598

Abstract: Aims and objectives To compare and evaluate interobserver (nurses and physicians) agreement for dengue clinical signs and symptoms, including the World Health Organization diagnostic algorithm. Background Agreement of clinical history defines the capacity of the examiner to measure a given clinical parameter in a reproducible and consistent manner, which is prerequisite for diagnosis validity. Nurses play a major role in the triage and care of dengue patients in many countries. Study design This is a sub‐study on interobserver agreement performed as part of a cross‐sectional diagnostic accuracy study for acute febrile illness (AFI) using the checklist STARD. Methods A previously validated semi‐structured sign and symptom standardised questionnaire for AFI was independently administered to 374 patients by physician and nurse pairs. The interobserver agreement was estimated using kappa statistics. Results For a set of 27 signs and symptoms, we found six interobserver discrepancies (examiner detected red eyes, lethargy, exanthema, dyspnoea, bleeding and myalgia) as identified by regular and moderate kappa indexes. Four signs (patient observed red eyes, cough, diarrhoea and vomiting) and one symptom (earache) had near‐perfect agreement. Most signs and symptoms showed substantial agreement. The WHO (Dengue guidelines for diagnosis, treatment, prevention and control: new edition, World Health Organization, 2009) clinical criteria for dengue comprise a group of symptoms known as “pains and aches.” Interobserver agreement for abdominal pain, retro‐orbital pain and arthralgia exceed that found for headache and myalgia. Conclusions During a dengue outbreak, the interobserver agreement for most of the signs and symptoms used to assess AFI was substantial. Relevance to clinical practice This result suggests good potential applicability of the tool by health professionals following training. A well‐trained health professional is qualified to apply the standardised questionnaire to evaluate suspected dengue cases during outbreaks.

Date: 2020
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https://doi.org/10.1111/jocn.15229

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jocnur:v:29:y:2020:i:9-10:p:1590-1598

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