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. 2019 Oct 3;10(23):5744–5753. doi: 10.7150/jca.30307

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Fig 2 — Kaplan-Meier estimates of the overall survival (OS) of urinary bladder cancer patients using the four-gene signature. The Kaplan-Meier plots were used to visualize the OS probabilities for the low-risk versus high-risk group of patients based on the median risk score from corresponding datasets patents. (a)Kaplan-Meier curves for GSE31684 training series patients (N = 46); (b) Kaplan-Meier curves for GSE31684 validation series patients (N = 47); (c) Kaplan-Meier curves for the entire GSE31684 set patients (N = 93). (d) Kaplan-Meier curves for the external TCGA validation series patients (N = 408). The tick marks on the Kaplan-Meier curves represent the censored subjects. The differences between the two curves were determined by the two-side log-rank test.