Hospitalization, case fatality, comorbidities, and isolated pathogens of adult inpatients with pneumonia from 2013 to 2022: a real-world study in Guangzhou, China.

A downward trend was observed in the proportion of pneumonia patients with COPD during the last decade ( P < 0.01), while an increasing trend was observed in the proportion of patients with lung malignancy ( P = 0.01) or bronchiectasis (P < 0.01) (Fig. 3 - A).

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