Authors
Bin Liu, Bo Xie, Li Jiang, Hongli Xia, Chunmei Zhu, Jing Hu, Jing Cai, Yan Zhang, Mingjin Yang, Yanchao Liang
Published in
Journal of infection in developing countries. Volume 20. Issue 6. Pages 896-903. Jun 30, 2026. Epub Jun 30, 2026.
Abstract
With limited research on the clinical effectiveness of Paxlovid for hospitalized patients with severe COVID-19, this study aims to assess its impact on clinical outcomes, providing essential insights for patient care.
We collected consecutive data from SARS-CoV-2-infected patients at four hospitals between December 2022 and July 2023. We compared patient characteristics, clinical parameters, and treatment regimens between the Paxlovid and control groups. Analyses included crude, multivariable, doubly robust, and propensity score methods to evaluate Paxlovid's impact on 28-day mortality and to identify subgroup interactions.
Of 574 patients treated with Paxlovid, 10.3% died within 28 days, versus 29.9% of 645 untreated patients. Unadjusted analysis showed a significant Paxlovid-associated reduction in 28-day mortality (OR 0.268, 95% CI 0.195-0.369; p < 0.001), sustained after adjustment (adjusted OR 0.298, 95% CI 0.198-0.447; p < 0.001). Paxlovid significantly decreased mortality in patients with infection durations ≤ 5 days (OR 0.401, 95% CI 0.227-0.707, p < 0.001) and > 5 days (OR 0.540, 95% CI 0.309-0.946, p < 0.001). Hospital stays were longer with Paxlovid (median 11 vs. 10 days, p = 0.001), with no significant effect on ICU admission rates.
Our findings suggest that Paxlovid significantly reduces 28-day mortality in severe COVID-19 patients, irrespective of infection duration over 5 days.
PMID:
42430525
Bibliographic data and abstract were imported from PubMed on 11 Jul 2026.
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