16760
By combining macro - and microvascular risks , the classification of low - and high - risk patients was improved by a net reclassification improvement of 5 . 7 % ( P = 0 . 02 ) .
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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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