4023
Nondiabetic rats filled 57 % of the femoral defect , whereas diabetic rats filled only 21 % ( p < 0 . 05 ) .
 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