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Development of a nomogram integrating clinical information. (A) Multivariate Cox analysis integrating clinical information and the risk score. (B) Nomogram for evaluating the 1- to 5-year overall survival of osteosarcoma patients. (C) Nomogram calibration for the training cohort (TARGET-OS) over 1–5 years. (D) Nomogram calibration for the verification cohort (GSE21257) over 1–5 years.
