1145
Subjects carrying the largest number of risk alleles ( highest 10 % ) not only had lower BMD values as compared to those carrying the least number of risk alleles ( lowest 10 % ) , they also had a higher risk of fracture [ P = 0 . 002 , OR = 2 . 252 , 95 % CI ( 1 . 136 , 4 . 463 ) ] .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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