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Study flow chart. Sixty-one patients were enrolled and randomized into either the intuitiveness group (n = 32) or the instruction time group (n = 29). In each group, patients were randomized to a treatment sequence: either Levemir FlexPen followed by OptiClik with Lantus or OptiClik with Lantus followed by Levemir FlexPen. Finally the patients were asked to answer several questionnaires.
