20657
Daily glycemia in the presurgery period was significantly lower ( 1 , 293 . 58 mg / dL * day [ 1 , 096 . 83 - 1 , 490 . 33 ) vs . 1 , 478 . 80 mg / dL * day [ 1 , 277 . 47 - 1 , 680 . 13 ] ) compared with the postsurgery period ( P = 0 . 02 between periods ) .
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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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