16651
After controlling for potential confounding factors , the creatinine - adjusted urine NAG concentrations were shown to be influenced by the GG genotype of rs8052394 in exon 3 , and were weakly increased with TWICL .
 Chemical: creatinine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: creatinine