998
RESULTS : Two hundred twenty - eight patients ( 42 % men ) with a mean age of 81 . 1 ( range 76 - 94 ) were included in the analysis .
 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