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

Table 7 Predictive value of growth differentiation factor 11 and programmed death receptor-1 for recurrence after treatment

	GDF11	PD-1	GDF11 + PD-1
AUC	0.772	0.750	0.881
Std. Error	0.040	0.045	0.036
95%CI	0.694-0.850	0.662-0836	0.810-0.952
Cut-off	1.655	1.125	0.310
Sensitivity (%)	92.46	61.54	82.05
Specificity (%)	46.48	77.46	88.73
P value	< 0.001	< 0.001	< 0.001

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