883
Delirium was diagnosed in 14 ( 10 . 1 % incidence , or 1 . 48 cases / person - years of exposure ) ; 71 . 4 % of cases were moderate or severe .
 Delirium
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Delirium