Accuracy of COuGH RefluX Score as a Predictor of Gastroesophageal Reflux Disease (GERD) in Mexican Patients with Chronic Laryngopharyngeal Symptoms: A Cross-Sectional Study.

IF 3 3区 医学 Q1 MEDICINE, GENERAL & INTERNAL Diagnostics Pub Date : 2025-03-06 DOI:10.3390/diagnostics15050636
Javier Ivanovychs Carrillo-Rojas, Salvador Zavala-Villegas, Guadalupe Morales-Osorio, Fausto Daniel García-García, Mauricio González-Navarro, Viridiana Montsserrat Mendoza-Martínez, Nallely Bueno-Hernández
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引用次数: 0

Abstract

Background/Objectives: Gastroesophageal reflux disease (GERD) is associated with extraesophageal syndromes that require an objective assessment of abnormal acid exposure to establish the diagnosis. The COuGH RefluX score has been proposed as a diagnostic tool for GERD in patients with chronic laryngopharyngeal symptoms. The aim of the study was to evaluate the diagnostic performance of the COuGH RefluX score in the Mexican population. Methods: A cross-sectional study was conducted in patients with chronic laryngopharyngeal symptoms. Patients with cough, globus, sore throat, dysphonia, and/or throat clearing of ≥8 weeks duration, 24 h pH-impedance monitoring (pH-IM), and without objective evidence of GERD (defined as acid exposure time >6%) were included in the study. The COuGH RefluX score tool was applied and stratified as low probability with ≤2.5 points, intermediate probability with 3.0 to 4.5 points, and high probability with ≥5.0 points. The kappa test assessed the concordance between both tests; the area under the curve (AUR), sensitivity (S), specificity (E), positive predictive value (PPV), and negative predictive value (NPV) were calculated for each result. Results: 164 patients were included; the prevalence of GERD by pH-IM was 32% vs. 40.3% by COuGH RefluX score, the agreement was weak (κ = 0.34; p < 0.001), but the AUR was good (0.720 ± 0.17; p < 0.001). A score ≤ 2.5 had S = 49%, E = 88%, PPV = 89%, and NPV = 42% to rule out proven GERD, while a score ≥ 5 had S = 65%, E = 71%, PPV = 52%, and NPV = 82% for proven GERD. Conclusions: The COuGH RefluX score has low sensitivity but adequate specificity for GERD diagnosis in Mexican patients with chronic laryngopharyngeal symptoms.

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来源期刊
Diagnostics
Diagnostics Biochemistry, Genetics and Molecular Biology-Clinical Biochemistry
CiteScore
4.70
自引率
8.30%
发文量
2699
审稿时长
19.64 days
期刊介绍: Diagnostics (ISSN 2075-4418) is an international scholarly open access journal on medical diagnostics. It publishes original research articles, reviews, communications and short notes on the research and development of medical diagnostics. There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodological details must be provided for research articles.
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