1800
SCr increases > or = 0 . 5 mg / dL occurred in 4 . 4 % ( 9 of 204 patients ) after iopamidol and 6 . 7 % ( 14 of 210 patients ) after iodixanol ( P = 0 . 39 ) , whereas rates of SCr increases > or = 25 % were 9 . 8 % and 12 . 4 % , respectively ( P = 0 . 44 ) .
 Chemical: iopamidol; Chemical: iodixanol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: iopamidol, iodixanol 
Answer:
 Chemical: iopamidol; Chemical: iodixanol