4020
The results obtained were as follows : The mitral valve orifice area ( MVA ) was significantly smaller in patients with type III of the LVIT flow velocity pattern than in patients with type I ( p less than 0 . 001 ) .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None