506
We estimated the direct cost of treating clinically significant RIHA to be 170 per patient receiving combination therapy per 48 - week treatment course ( range 68 - 692 ) .
 Disease: RIHA
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: RIHA