BMC Endocrine Disorders

Table 7 Receiver operating characteristic curves (ROC) analysis of LCI and metabolic risk factors for metabolic syndrome

From: Gender-specific association between a novel atherogenic index of plasma, metabolic parameters and inflammation among obese adults

Area under the curve
Variables	AUC	SE	P value	95% CI		Youden’s index	Optimal cut-points	Sensitivity	Specificity	True positive rate	False positive rate
Variables	AUC	SE	P value	Lower bound	Upper bound	Youden’s index	Optimal cut-points	Sensitivity	Specificity	True positive rate	False positive rate
HOMA-IR	0.62	0.029	< 0.001	0.565	0.679	0.22	3.22	0.63	0.60	0.63	0.40
SBP (mmHg)	0.71	0.027	< 0.001	0.660	0.764	0.34	127	0.52	0.82	0.52	0.18
DBP (mmHg)	0.68	0.029	< 0.001	0.625	0.738	0.36	87	0.44	0.92	0.44	0.08
CRP (mg/dl)	0.55	0.030	0.071	0.496	0.611	0.12	4.78	0.48	0.64	0.48	0.36
LDL (mg/dl)	0.56	0.029	0.031	0.506	0.621	0.13	128	0.50	0.63	0.50	0.37
HDL (mg/dl)	0.30	0.027	< 0.001	0.248	0.354	0.01	74	0.03	0.98	0.03	0.02
TG (mg/dl)	0.82	0.023	< 0.001	0.775	0.865	0.58	151	0.66	0.92	0.66	0.08
TC (mg/dl)	0.60	0.029	0.001	0.546	0.658	0.18	171	0.78	0.40	0.78	0.60
FBS (mg/dl)	0.69	0.029	< 0.001	0.633	0.745	0.40	101	0.58	0.83	0.58	0.17
Insulin (mIU/l)	0.56	0.030	0.039	0.503	0.619	0.16	15.40	0.51	0.66	0.51	0.34
LCI	0.80	0.023	< 0.001	0.751	0.841	0.47	22.66	0.63	0.85	0.63	0.15

HOMA-IR, Homeostatic Model Assessment for Insulin Resistance; SBP, Systolic Blood Pressure; DBP, Diastolic Blood Pressure; CRP, C-reactive Protein; LDL-C, Low Density Lipoprotein Cholesterol; HDL-C, High Density Lipoprotein Cholesterol; TG, Triglyceride; TC, Total Cholesterol; FBS, Fasting blood sugar; LCI, Lipoprotein combine index; AUC, Area under the curve; SE, Standard error; CI, Confidence interval; ROC, Receiver operating characteristic

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