1269
After PTCA , ejection fraction increased from 54 + / - 8 % to 59 + / - 8 % ( p less than 0 . 05 ) and regional function improved significantly ( maximal standard deviation before PTCA : 2 . 8 + / - 0 . 8 ; after PTCA : 1 . 9 + / - 0 . 9 - segments below the first standard deviation before PTCA : 31 + / - 16 ; after PTCA : 19 + / - 17 ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None