aRRs	Adjusted relative risk
AIC	Akaike Information Criterion
AST	Antimicrobial susceptibility testing
ARDS	Acute respiratory distress syndrome
BIC	Bayesian Information Criterion
BMI	Body mass index
HAIs	Healthcare-associated infections
HAP	Hospital-acquired pneumonia
ICU	Intensive care unit
INICC	International Nosocomial Infection Control Consortium
MAR	Multiple antibiotic resistance
MDR	Multidrug-resistant
MIC	Minimum inhibitory concentration
PMV	Prolonged mechanical ventilation
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
VAP	Ventilator-associated pneumonia