4083
Visual analogue scores ( mean + / - SD ) during induction were lower in Groups L ( 3 . 3 + / - 2 . 5 ) and T ( 4 . 1 + / - 2 . 7 ) than in Group C ( 5 . 6 + / - 2 . 3 ) ; P = 0 . 0031 .
 None
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:  
Answer:
 None