Fig. 1From: Structural equation modelling the relationship between anti-fungal prophylaxis and Pseudomonas bacteremia in ICU patientsTheoretical model of clinical factors bearing on the interaction between Pseudomonas and candida colonization towards causing blood stream and other infections. ‘contextual’ refers to the contextual effect within each ICU setting. The blue boxes label the elements required to address the central research question here depicted by the vertical arrow labelled ‘?’. This research question would not be easily addressed within a single center studyBack to article page