disease-free survival
The 2-year overall survival (OS) and disease-free survival (DFS) were 46,4±28,8% (95% CI) and 21,1±32,3% respectively.
The 2-year overall survival ( OS ) and disease-free survival ( DFS ) were 46,4±28,8% ( 95% CI ) and 21,1±32,3% respectively .