20060
By DXA , there were significant declines in areal bone mineral density ( BMD ) of the total hip and ultradistal radius : - 1 . 3 % ( 95 % CI : - 2 . 1 to - 0 . 6 ) and - 2 . 4 % ( 95 % CI : - 4 . 0 to - 0 . 9 ) , respectively .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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