2433
The prevalence of postoperative delirium was significantly lower in the light sedation group ( 11 / 57 [ 19 % ] vs 23 / 57 [ 40 % ] in the deep sedation group ; P = . 02 ) , indicating that 1 incident of delirium will be prevented for every 4 . 7 patients treated with light sedation .
 Disease: postoperative delirium; Disease: 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; Disease: delirium