2990
No difference in the primary composite outcome in both the unmatched ( 30 % vs 30 % , p = 0 . 94 ) or matched cohorts ( 28 % vs 34 % , p = 0 . 35 ) could be found .
 None
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:
 None