2108
RESULTS : Postprocedural creatinine level decreased nonsignificantly in the PTRA group ( 1 . 46 + / - 0 . 8 vs . 1 . 34 + / - 0 . 5 mg / dl , P = NS ) and increased significantly in the PCI group ( 1 . 44 + / - 0 . 6 vs . 1 . 57 + / - 0 . 7 mg / dl , P < 0 . 02 ) .
 Chemical: creatinine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: creatinine