Predictors of Brucella spp. bacteraemia at admission among adults with brucellosis: a two-centre retrospective cohort study in Ningxia, China

Key Points

• The study aims to identify predictors of Brucella spp. bacteraemia at admission among adults with brucellosis.
• Retrospective cohort design
• Data collected from two centers in Ningxia, China
• Development of a clinical-laboratory model using admission data
• The clinical-laboratory model demonstrated excellent discrimination for early bacteraemia risk
• The model showed acceptable internal calibration
• Further external validation in other endemic areas is warranted