Fig. 2From: Role of nebulized colistin as a substitutive strategy against nosocomial pneumonia caused by CR-GNB in intensive care units: a retrospective cohort studyKaplan–Meier analysis of 28-day mortality status. 28-day mortality between patients with and without substitutive nebulized colistin in (A) original and (B) propensity score-matched cohorts is comparedBack to article page