23835
However , more patients ( 84 . 9 % ) responded to HD than to LD ( 78 . 4 % ) and showed an improvement of symptoms ( p = 0 . 011 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None