Table 3.

Comparison of Time-Dependent AUROC, C-Index, Likelihood Ratio, and AIC Between the Current Model and the Other Prognostic Systems

Cohort	Models	1-Yr AUROC (95% CI)	3-Yr AUROC (95% CI)	5-Yr AUROC (95% CI)	C-Index (95% CI)	LR X2	df	AIC
Training	Nomogram	0.68 (0.65, 0.72)	0.66 (0.63, 0.68)	0.63 (0.60, 0.65)	0.63 (0.61, 0.65)	152.5	1	15979
	TNM8th	0.62 (0.59, 0.64)	0.60 (0.58, 0.62)	0.58 (0.56, 0.60)	0.58 (0.56, 0.59)	79.18	2	16054
	TNM7th	0.62 (0.59, 0.63)	0.60 (0.57, 0.61)	0.58 (0.56, 0.60)	0.58 (0.56, 0.59)	74.35	1	16057
	LCSGJ	0.63 (0.59, 0.66)	0.61 (0.58, 0.63)	0.58 (0.55, 0.61)	0.58 (0.56, 0.59)	89.68	3	16046
Internal validation	Nomogram	0.71 (0.66, 0.75)	0.68 (0.64, 0.71)	0.65 (0.61, 0.68)	0.65 (0.62, 0.67)	92.96	1	7658
	TNM8th	0.64 (0.61, 0.67)	0.62 (0.59, 0.64)	0.59 (0.57, 0.62)	0.59 (0.57, 0.62)	44.51	2	7708
	TNM7th	0.64 (0.61, 0.67)	0.62 (0.59, 0.64)	0.59 (0.57, 0.62)	0.59 (0.57, 0.61)	48.66	1	7702
	LCSGJ	0.64 (0.60, 0.68)	0.62 (0.59, 0.65)	0.59 (0.57, 0.61)	0.59 (0.57, 0.61)	46.22	3	7708
External validation	Nomogram	0.69 (0.59, 0.79)	0.69 (0.64, 0.75)	0.70 (0.63, 0.76)	0.66 (0.62, 0.71)	42.23	1	1600
	TNM8th	0.64 (0.60, 0.69)	0.62 (0.59, 0.64)	0.61 (0.57, 0.63)	0.61 (0.56, 0.65)	22.15	2	1618
	TNM7th	0.63 (0.59, 0.68)	0.62 (0.58, 0.64)	0.61 (0.57, 0.63)	0.60 (0.55, 0.64)	23.37	1	1619
	LCSGJ	0.64 (0.60 0.67)	0.62 (0.58, 0.66)	0.60 (0.55, 0.65)	0.60 (0.55, 0.65)	22.75	3	1616