143483
If there is a significant difference between two groups at alpha = 0.05 , it means there is only a 5 % probability that the difference between the groups is due to chance ; it gives no indication of the magnitude or clinical importance of the difference .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None