Fig. 1From: Impact of oral hygiene involving toothbrushing versus chlorhexidine in the prevention of ventilator-associated pneumonia: a randomized studyDiagram of patient inclusion in the study. Extubated <48 h = patients with mechanical ventilation expectancy longer than 48 h but extubated in the first 48 h extubation. End of cohort = patients with no definite outcome at the end of the study periodBack to article page