Clinical significance of tumor deposits in gastric cancer after radical gastrectomy: a propensity score matching study

Table 4 Comparison of the performance between TNM staging system and other revised staging schemes after PSM

	Description	AUC	95% CI	C-index	95% CI	AIC
AJCC 8th	TNM staging system (Without TD)	0.708	0.666–0.750	0.641	0.616–0.666	818.87
AJCC 8th [19]	1 TD as 1 metastatic LN	0.711	0.669–0.752	0.643	0.619–0.667	817.65
Chen H. et al [11]	Presence of TDs upstage N stage except for N3b	0.700	0.658–0.743	0.639	0.615–0.663	826.80
Liang Y. et al [14]	1 TD as 1 positive LN; revised N category	0.704	0.662–0.745	0.640	0.615–0.665	824.73
Sun Z. et al [13]	Presence of TDs as T4a except for T4b	0.704	0.662–0.745	0.640	0.615–0.665	824.59

Abbreviations: TD tumor deposit, CI confidence interval, AUC area under the curve, AIC Akaike information criterion, C-index Harrell’s concordance index

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