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1	Towards Understanding ICU Procedures using Similarities in Patient Trajectories : An exploratory study on the MIMIC-III intensive care database Galozy, Alexander January 2018 (has links) Recent advancements in Artificial Intelligence has prompted a shearexplosion of new research initiatives and applications, improving notonly existing technologies, but also opening up opportunities for newand exiting applications. This thesis explores the MIMIC-III intensive care unit database and conducts experiment on an interpretable feature space based on sever-ty scores, defining a patient health state, commonly used to predict mortality in an ICU setting. Patient health state trajectories are clustered and correlated with administered medication and performed procedures to get a better understanding of the potential usefulness in evaluating treatments on their effect on said health state, where commonalities and deviations in treatment can be understood. Furthermore, medication and procedure classification is carried out to explore their predictability using the severity subscore feature space. ICU Severity Scores Patient Clustering Mortality Health State Patient Trajectory Clustering Unsupervised learning Classification Data Mining AI Engineering and Technology Teknik och teknologier