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Exploring Inter‐Rater Agreement in Classification of Radiological Features of Tension in Adults With Primary Spontaneous Pneumothorax

2026/07/20 by Anne‐Maree Kelly, Matthew Birdsey, Rajesh Patel +4 · 1 voice
Medicine · #Lung Cancer Diagnosis and Treatment #Pleural and Pulmonary Diseases #Ultrasound in Clinical Applications

paper · doi:10.1111/1742-6723.70311

openalex publication_date 2026/07/20 · openalex created_date 2026/07/21 · openalex updated_date 2026/07/30

Abstract

OBJECTIVE: To explore agreement between emergency physicians in classifying chest x-rays (CXR) of patients with primary spontaneous pneumothorax (PSP) as showing the presence/absence of so-called radiological tension features. METHODS: Observational study. Five emergency physicians blinded to patient characteristics, radiologist report, patient outcome and other reviewers' classification assessed each of 80 PSP CXR and classified them as showing radiological tension features or not. Analysis using Krippendorff's Alpha (K-Alpha). RESULTS: Inter-rater agreement was 0.524 (95% CI: 0.400-0.623)-consistent with poor agreement. CONCLUSION: Interpretation for radiological tension features had poor inter-rater reliability, which seriously changes their appropriateness as drivers for interventional management.

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