Table 5.

The AUC, best threshold, sensitivity, and specificity of lipid parameters in identifying prediabetes

Variables	AUC	95%CI low	95%CI up	Best threshold	Specificity	Sensitivity
TC	0.565	0.560	0.571	4.695	0.522	0.576
TG	0.611	0.606	0.617	1.195	0.600	0.575
HDL-C	0.539	0.534	0.545	1.375	0.477	0.578
LDL-C	0.550	0.545	0.555	2.755	0.559	0.514
LCI	0.612	0.607	0.617	10.656	0.560	0.608
AIP	0.608	0.603	0.613	− 0.088	0.550	0.614
Non-HDL- C	0.584	0.578	0.589	3.290	0.527	0.597
AC	0.586	0.581	0.592	2.260	0.451	0.682
CRI-I	0.586	0.581	0.592	3.260	0.451	0.682
CRI-II	0.572	0.566	0.577	1.876	0.455	0.660
RC	0.592	0.587	0.598	0.585	0.539	0.593
RC/HDL-C ratio	0.588	0.583	0.594	0.415	0.519	0.607

TC total cholesterol, TG triglyceride, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, LCI lipoprotein combine index, AIP atherogenic index of plasma, AC atherogenic coefficient, CRI-I Castelli’s index-I, CRI-II Castelli’s index-II, RC remnant cholesterol, AUC area under the receiver operating characteristic curve, CI confidence interval