2065
Based on a type I error of 0 . 05 , our study had a power greater than or equal to 75 % to detect group differences in treatment effect of greater than or equal to 15 % to 20 % .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None