4369
The frequency of the rs11466653 T allele was higher in PTC patients with tumors < 1 cm in size than in the control group ( 95 . 8 vs . 87 . 2 % ; P = 0 . 021 , OR = 0 . 30 , 95 % CI = 0 . 11 - 0 . 83 ) .
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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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