6895
The incidence of cardiac death ( one per group ) , Q wave MI ( propofol , n = 7 ; midazolam , n = 3 ; P = 0 . 27 ) , or non Q wave MI ( propofol , n = 16 ; midazolam , n = 18 ; P = 0 . 81 ) did not differ between treatment groups .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None