BMC Gastroenterology

Table 4 C-indexes for the nomograms and other stage systems in patients with CRC

From: Establishment of prognostic nomogram for elderly colorectal cancer patients: a SEER database analysis

Survival		Training set			Validation set
Survival		HR	95%CI	P	HR	95%CI	P
OS	Nomogram	0.726	0.720–0.732	Reference	0.722	0.716–0.728	Reference
	SEER stage	0.649	0.643–0.655	< 0.001	0.65	0.644–0.656	< 0.001
	7th edition TNM stage	0.682	0.676–0.688	< 0.001	0.681	0.675–0.687	< 0.001
CSS	Nomogram	0.791	0.785–0.797	Reference	0.789	0.783–0.795	Reference
	SEER stage	0.728	0.721–0.735	< 0.001	0.727	0.720–0.734	< 0.001
	7th edition TNM stage	0.77	0.763–0.777	< 0.001	0.767	0.760–0.774	< 0.001

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ISSN: 1471-230X

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