Infection, Bacterial Clinical Trial
Official title:
Clinical Outcomes of Hypervirulent Carbapenem-resistant Klebsiella Pneumoniae Infection: a Single-centre Cohort Study With Multiplex Analyses in China
The goal of this observational study is to learn about the risk factors of mortality for CRKP infected patients, and to compare the clinical outcomes between hvCRKP infection and cCRKP infection. The main question it aims to answer is • Whether hypervirulence would add value to cCRKP infection and cause worse outcomes? Participants data will be collected through medical records.
We conducted an observational cohort study comprising three-year (2019-2022) data in a Chinese university hospital. We performed genome sequencing for CRKP strains, compared adult patients infected by hvCRKP with those by non-hypervirulent "classical" CRKP (cCRKP), and used propensity score matching (PSM) for imbalanced baseline characteristics. We defined 30-day all-cause and attributed mortalities and 30-day ranking outcomes (death, no response/progress, remission) as primary outcomes and post-infection stay and survival as secondary outcomes. We constructed mortality-predicting models and performed subgroup analyses for CRKP of the dominant sequence or capsular type or with varied virulence profiles and for patients with bloodstream or lower respiratory tract infections. ;
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