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(A) Kaplan-Meier curve for overall survival of 65 patients in the training cohort. The median survival time was 23.7 months and the overall 2- and 5-year survival was 48.7% and 21.7%, respectively; (B) Kaplan-Meier curves for overall survival of 65 patients in the training cohort stratified by PLR. The median survival time was 37.0 and 20.0 months for PLR <215 (n=37) and ≥215 (n=28), respectively (P=0.014). PLR, platelet-to-lymphocyte ratio.
