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Postoperative delirium was assessed as defined by Diagnostic and Statistical Manual of Mental Disorders ( Third Edition Revised ) criteria using the Confusion Assessment Method beginning at any time from the second day after surgery .
 Disease: Postoperative delirium; Disease: Mental Disorders
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: Postoperative delirium; Disease: Mental Disorders