1938
During the 30 - day follow - up period , no patients died of a cardiovascular event ( 0 % ; 95 % CI , 0 - 6 . 1 % ) and no patient sustained a nonfatal myocardial infarction ( 0 % ; 95 % CI , 0 - 6 . 1 % ) .
 Disease: myocardial infarction
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: myocardial infarction