20789
Multiple stepwise logistic regression analysis revealed that an increase in systolic blood pressure and an increase in serum omentin - 1 level were independently correlated with arterial stiffening , even after adjusting for other cardiovascular risk factors and medication history .
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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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