Publication date: Jul 10, 2023
Direct comparisons between COVID-19 and influenza A in the critical care setting are limited. The objective of this study was to compare their outcomes and identify risk factors for hospital mortality. This was a territory-wide, retrospective study on all adult (≥18 years old) patients admitted to public hospital intensive care units in Hong Kong. We compared COVID-19 patients admitted between 27 January 2020 and 26 January 2021 with a propensity-matched historical cohort of influenza A patients admitted between 27 January 2015 and 26 January 2020. We reported outcomes of hospital mortality and time to death or discharge. Multivariate analysis using Poisson regression and relative risk (RR) was used to identify risk factors for hospital mortality. After propensity matching, 373 COVID-19 and 373 influenza A patients were evenly matched for baseline characteristics. COVID-19 patients had higher unadjusted hospital mortality than influenza A patients (17. 5% vs 7. 5%, p
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| Concepts | Keywords |
|---|---|
| Death | COVID-19 |
| Hospital | Respiratory infections |
| Influenza | |
| January | |
| Matched |
Semantics
| Type | Source | Name |
|---|---|---|
| disease | MESH | COVID-19 |
| pathway | KEGG | Influenza A |
| disease | VO | time |
| disease | MESH | death |