Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12885-020-06871-9/MediaObjects/12885_2020_6871_Fig2_HTML.png)
Correlation of EFS with OS HR for Ewing sarcoma. Correlation of (a) EFS HR, (b) 1-year EFS, (c) 3-year EFS, and (d) 5-year EFS. HR, hazard ratio; OR, odds ratio; OS, overall survival; EFS, event-free survival
Correlation of EFS with OS HR for Ewing sarcoma. Correlation of (a) EFS HR, (b) 1-year EFS, (c) 3-year EFS, and (d) 5-year EFS. HR, hazard ratio; OR, odds ratio; OS, overall survival; EFS, event-free survival