9517
After including two additional variables - calendar age and body mass index - in regression analysis , the ultimate coefficient of determination ( R ( 2 ) ) changes for systolic blood pressure and remains the same for diastolic blood pressure ( R ( 2 ) = 0 . 194 and R ( 2 ) = 0 . 156 , 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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