. Author manuscript; available in PMC: 2018 Oct 6.

Published in final edited form as: JCO Precis Oncol. 2017 Oct 6;2017:10.1200/PO.17.00031. doi: 10.1200/PO.17.00031

Table 4.

Contingency table demonstrating that within the validation set, all patients were correctly classified within the TCGA (SS), Huertas-Martinez et al. (EWS), and TARGET-OS cohorts, with the exception of one sample from TARGET-OS (TARGET-40-PASEFS) that is classified as a Ewing’s sarcoma and one Ewing’s sarcoma sample from the Huertas-Martinez et al. cohort that classified as a synovial sarcoma.

Validation Data (N=110)		Random Forest Classification

		Osteosarcoma	Synovial Sarcoma	Ewing’s Sarcoma
Pathology Diagnosis	Osteosarcoma	85	0	1
	Synovial Sarcoma	0	10	0
	Ewing’s Sarcoma	0	1	14