Significance of 125I radioactive seed implantation on growth differentiation factor and programmed death receptor-1 during treatment of oral cancer

Table 6 Predictive value of growth differentiation factor 11 and programmed death receptor-1 for efficacy

	GDF11	PD-1	GDF11 + PD-1
AUC	0.704	0.729	0.848
Std. Error	0.040	0.039	0.028
95%CI	0.624-0.783	0.652-0.806	0.793-0.902
Cut-off	2.605	1.565	0.314
Sensitivity (%)	63.79	53.45	96.55
Specificity (%)	69.92	83.74	67.48
P	< 0.001	< 0.001	< 0.001

PD-1: Programmed death receptor-1; GDF11: Growth differentiation factor 11.