Table 3.

Concordance Indices and Corresponding 95% Confidence Intervals for Cox Proportional Hazards (CPH), Random Survival Forests (RSF), and Recursive Partitioning Analysis (RPA) at 12, 18, and 24 Months for Isocitrate Dehydrogenase-Wild-Type Newly Diagnosed Glioblastoma Patients; the Ohio Brain Tumor Study (Training Set), 2007–2017

	CPH	RSF	RPA
12 Months	0.756 (0.719–0.793)	0.752 (0.715–0.788)	0.747 (0.710–0.784)
18 Months	0.757 (0.721–0.794)	0.740 (0.704–0.776)	0.747 (0.710–0.784)
24 Months	0.759 (0.722–0.795)	0.708 (0.667–0.749)	0.747 (0.710–0.784)