29243
Patients were divided into four groups according to presence or absence of DR and MA : normoalbuminuria without DR [ NA ( DR - ) ] ( n = 773 ) , normoalbuminuria with DR [ NA ( DR + ) ] ( n = 279 ) , microalbuminuria without DR [ MA ( DR - ) ] ( n = 277 ) , and microalbuminuria with DR [ MA ( DR + ) ] ( n = 146 ) .
 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