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. 2021 Jan 21;11:1879. doi: 10.1038/s41598-021-81408-z

Figure 5.

Figure 5

Kaplan–Meier survival analysis of recurrence-free survival according to the radiomics score classifier in subgroups of the training and validation cohorts. (A) Training cohort, lymph node (LN) stage 0 or 1 on CT (n = 269). (B) Training cohort, LN stage 2 or over on CT (n = 80). (C) Validation cohort, LN stage 0 or 1 on CT (n = 52). (D) Validation cohort, LN stage 2 or over on CT (n = 9). R software (version 3.3.2, https://www.r-project.org) was used to draw.