20061
By HRpQCT at the distal radius , there were significant declines in cortical area , density and thickness , and increases in porosity : - 2 . 9 % ( 95 % CI - 3 . 7 to - 2 . 2 ) , - 1 . 3 % ( 95 % CI - 1 . 6 to - 0 . 6 ) , - 2 . 8 % ( 95 % CI - 3 . 6 to - 1 . 9 ) , and + 4 . 2 % ( 95 % CI 2 . 0 to 6 . 4 ) 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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