1420
Infarct regional ejection fraction improved by 10 . 1 + / - 2 . 1 % between early and late studies when the infarct - related artery was patent and by 4 . 8 + / - 1 . 4 % if it was occluded ( p = 0 . 048 ) ; changes in global and noninfarct regional ejection fraction were similar irrespective of perfusion status .
 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