Delayed treatment of diabetic foot ulcer in patients with type 2 diabetes and its prediction model

Table 7 Receiver operating characteristic analysis

	Sensitivities	Specificities	AUC	Youden index
BMI (kg/m2)	0.573	0.633	0.631	0.206
Duration of diabetes (years)	0.463	0.714	0.597	0.177
Plasma glucose	0.720	1.000	0.819	0.720
HbA1c (%)	0.646	0.867	0.804	0.513
ATMHSS score	0.646	0.700	0.731	0.346
Diabetic peripheral neuropathy	0.402	0.771	0.587	0.173
Diabetic nephropathy	0.049	0.995	0.522	0.044
Medical delay time	0.866	0.724	0.795	0.590

BMI: Body mass index; ATMHSS: Acute thrombosis and myocardial infarction health service system; AUC: Area under the curve.