Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12957-020-02053-w/MediaObjects/12957_2020_2053_Fig2_HTML.png)
Comparisons between SII-low group and SII-high group using Kaplan-Miere curves on RFS (a) and OS (b). Better survival data were showed in SII-low group on both RFS (P < 0.001) and OS (P < 0.001). SII systemic immune-inflammation index, RFS recurrence-free survival, OS overall survival