1497
Of the 59 cases , 26 ( 44 % ) had a fatal outcome , compared to 136 ( 25 % ) among the non - warfarin patients ( p < 0 . 01 ) .
 warfarin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 warfarin