Emergency planned re-infusion therapy and hospitalisation for community-acquired pneumonia: a retrospective case-control study
Abstract
Background Community-acquired pneumonia (CAP) is a frequent reason for emergency department visits and leads to increased direct medical costs, particularly due to hospitalisation. This study aims to examine the differences between emergency planned re-infusion therapy and hospitalisation in patients with CAP. Methods This retrospective case-control study involved 1889 CAP patients treated at the Emergency Internal Medicine Department of Class A tertiary Hospital in China from 1 January 2020 to 31 December 2022. Patients were divided into groups receiving either emergency planned re-infusion therapy or hospitalisation. Independent sample t tests and χ2 tests were used to compare the clinical outcomes and economic impacts between the two groups across different pneumonia severity index (PSI) classifications. Results The study enrolled 1889 CAP patients. For PSI I–II patients, the improvement rates were 99.51% in the emergency planned re-infusion therapy group and 99.69% in the hospitalisation group, showing no statistically significant difference (P > 0.05). Similarly, no significant difference was observed for PSI III patients (84.16 vs. 89.82%). However, significant differences emerged for PSI IV patients, with improvement rates of 50% in the emergency planned re-infusion therapy group and 90.59% in the hospitalisation group (P < 0.001). Statistically significant differences were also noted in treatment duration (5.13 ± 1.65 days vs. 7.60 ± 3.93 days, P < 0.001) and total…
How strong is the evidence?
Evidence Hub reads this as a case-control, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 1,889 participants or records.
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