2427
Sedation depth during spinal anesthesia and the development of postoperative delirium in elderly patients undergoing hip fracture repair .
 Disease: postoperative delirium; Disease: hip fracture
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: hip fracture