15466
Multivariate regression analysis revealed that serum PCSK9 was independently associated with carotid IMT ( max - IMT : beta = 0 . 212 , P = 0 . 016 ; mean - IMT : beta = 0 . 184 , P = 0 . 04 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None