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Background: Increasing resistance to carbapenem, particularly common in Gram-negative bacilli (GNB), has become a growing public health concern around the world. The objective of this study was to investigate risk factors associated with antibiotic-induced carbapenem-resistant Gram-negative bacilli (CR-GNB) among inpatients. Methods: A retrospective cohort study was conducted in one of the largest tertiary A-level hospitals including patients with GNB cultured from any of the clinical specimens who had been admitted for more than 2 calendar days from January 2017 to June 2019. Kaplan-Meier analysis and Cox proportional hazard model were used to estimate the hazard of CR-GNB induction by antibiotics.Results: 2490 patients including 7 cohorts were included. After cox proportional risk model analysis, carbapenem, β-lactamase inhibitor, and cephalosporin had significantly higher hazards than other types of antimicrobial (P |
