Fig. 1From: Early antibiotic therapy is associated with a lower probability of successful liberation from mechanical ventilation in patients with severe acute exacerbation of chronic obstructive pulmonary diseasePatients screening. Screening lasted from July 2012 to January 2020. eABT was defined as the first line of antibiotic therapy introduced during the first 24Â h after ICU admission. eABT early antibiotic therapy, ICU intensive care unitBack to article page