A key objective of the British Thoracic Society national community-acquired pneumonia (CAP) audit was to determine the clinical characteristics and outcomes of hospitalised adults given a primary discharge code of pneumonia but who did not fulfil accepted diagnostic criteria for pneumonia. Adults miscoded as having pneumonia (n=1251) were older compared with adults with CAP (n=6660) (median 80 vs 78 years, p<0.001) and had more comorbid disease, significantly fewer respiratory symptoms (fever, cough, dyspnoea, pleuritic pain), more constitutional symptoms (general deterioration, falls) and significantly lower 30-day inpatient mortality (14.3% vs 17.0%, adjusted OR 0.75, p=0.003).
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Contributors WSL and SW were instrumental in organising the BTS national community-acquired pneumonia audit; PD and TMM analysed and interpreted the data and drafted the article; TMM provided statistical input; PD, TMM, TB, SW and WSL critically evaluated the article; all authors revised and reviewed the article prior to final approval.
Competing interests PD reports grants from Pfizer, other from Boehringer-Ingelheim, outside the submitted work. WSL reports that his institution has received unrestricted investigator initiated research funding from Pfizer for a pneumonia cohort study.
Provenance and peer review Not commissioned; externally peer reviewed.
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