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Figure 1 Mortality in the hospital and from discharge to one year, by diabetes and glycemic status. Group 1: no previous diagnosis of diabetes and random blood glucose 198 mg/dl (11 mmol/l); Group 2: no previous diagnosis of diabetes and random blood glucose >198 mg/dl; Group 3: known diabetes and random blood glucose 198 mg/dl; Group 4: known diabetes and random blood glucose >198 mg/dl.