Risk Factors for Multidrug Resistant Bacteria at ICU Admission

Inclusion Criteria: * All patients admitted to the ICU with an infectious disease initiated within 48 hours of hospital admission and a microbiological positive result for bacteria Exclusion Criteria: * Patients with results considered as contamination according to the institutional protocol. * Surgical wound and bloodstream infections. * Microbiological isolation of only fungi. * Vigilance cultures, such as anal, rectal, nasal, and axillary swabs.