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Kaplan-Meier survival curves. A, Mortality of COVID-19 patients with NBSI vs matched controls without NBSI. B, Mortality of COVID-19 patients with NBSI by microorganism. Log-rank tests were used to determine P values. Abbreviations: COVID-19, coronavirus disease 2019; NBSI, nosocomial bloodstream infection; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
