2502
RESULTS : According to the confusion assessment method for the ICU scale , 28 % of patients were diagnosed with early postoperative delirium .
 Disease: postoperative delirium
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