18760
We found that risk allele ( T ) frequency of rs7903146 was significantly higher in T2DM - PDR patients ( allelic P = 2 . 52E - 04 ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None