ArticleHealth economics review2025
Cost effectiveness of imaging strategies in the emergency department for the diagnostic workup of community-acquired pneumonia: a real-life retrospective study.
Article in Health economics review, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05140408 (Efficiency of the Imaging Strategy for the Management of Pneumonia in the Emergency Department), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Efficiency of the Imaging Strategy for the Management of Pneumonia in the Emergency Department
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11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe purpose of this study was to compare the length of stay (LOS) and costs of diagnostic workup by Ultra Low Dose (ULD) chest computed tomography and radiography for patients treated for a community-acquired pneumonia (CAP) in the emergency department (ED).
methodsWe conducted a real-life retrospective study of patients treated for a CAP in two ED between March 1, 2019 and February 29, 2020. We estimated length of stay (LOS) as the difference between ED discharge and entry times, total hospital costs at 60 days including ED, initial admissions and readmissions. Patients with initial radiography were compared with patients with initial ULD CT using inverse probability weighing of the propensity score calculated from demographic variables, vital parameters and clinical presentation. We calculated the incremental cost effectiveness ratio as the difference between costs and the difference between LOS. Variability of the results was assessed using non-parametric bootstrapping.
resultsWe included 1609 consecutive patients, 1476 patients with radiography and 133 patients with ULD CT. The average costs were respectively €4317 [3483; 5067] and €4223 [4034; 4612] with 11.9 [10.1; 13.2] and 11.7 [11.5; 12.2] hours of LOS in the ED for chest radiography and ULD chest CT respectively, resulting in lower costs of € -94 [-870; 819] and a decreased LOS of 12 [-108; 76.9] minutes in favor of ULD chest CT.
conclusionsIn this real-life study, the management of CAP in ED by ULD chest CT compared with chest radiography resulted in lower costs without increasing LOS.
trial registrationThis study was registered with the Clinical Trials Registry (NCT05140408).
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