Table 3.

Comparison of each machine learning model’s performance.

	C-index	IBS	RMSE in prediction error	MAE in prediction error	RMSE in survival values	MAE in survival values
EST	0.76	0.10	3.179	1.984	22.611	13.817
CSF	0.72	0.10	2.929	2.037	13.938	10.794
DeepSurv	0.77	0.08	4.030	3.397	39.744	34.230

IBS, integrated Brier score; RMSE, root mean square error; MAE, mean absolute error; EST, extremely randomized survival tree; CSF, conditional survival forest.