Table 3.

Model performance.

	Training			Testing
	Radiomics	Clinical	Both	Radiomics	Clinical	Both
Local Control	0.643	0.692	0.733	0.563	0.637	0.651
	[0.622 0.665]	[0.680 0.705]	[0.719 0.748]	[0.465 0.660]	[0.536 0.737]	[0.554 0.747]
Distant Control	/	0.657	0.657	/	0.640	0.640
	/	[0.645 0.669]	[0.645 0.669]	/	[0.577 0.703]	[0.577 0.703]
Overall Survival	0.675	0.713	0.745	0.655	0.672	0.730
	[0.663 0.687]	[0.701 0.726]	[0.731 0.760]	[0.589 0.722]	[0.617 0.728]	[0.658 0.801]
Disease-free Survival	/	0.678	0.683	/	0.658	0.643
	/	[0.670 0.658]	[0.675 0.692]	/	[0.585 0.731]	[0.571 0.714]

Note, 95% confidence intervals are reported in the bracket. ‘/’ means no model can be established.