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Fig. 4 | Journal of Hematology & Oncology

Fig. 4

From: Safety and clinical activity with an anti-PD-1 antibody JS001 in advanced melanoma or urologic cancer patients

Fig. 4

Correlation of PD-L1 expression by IHC staining in tumor biopsy with clinical efficacy. a High (> 50%) (n = 7), medium (1–50%) (n = 9), and low (< 1%) (n = 12) PD-L1 expression subgroups determined by anti-PD-L1 (SP142) IHC staining on tumor cells are compared for clinical response. b PFS of subjects by PD-L1 expression. PD-L1+ subjects showed significant PFS benefit than PD-L1− subjects, HR = 0.36 (95% CI 0.14–0.93), p = 0.034. c OS of subjects by PD-L1 expression. Percentages of survival patients are shown at indicated time points. Numbers of patients at risk at indicated time points are shown below the x-axis

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