Research Article

The “Lipid Accumulation Product” Is Associated with 2-Hour Postload Glucose Outcomes in Overweight/Obese Subjects with Nondiabetic Fasting Glucose

Table 3

Performance and comparison of insulin-resistance indices and waist circumference in identifying abnormalities in glucose metabolism by 2-hour postload glucose of an oral glucose tolerance test.

LAPHOMA-IRWaist value* value**

IGTOR (95% CI)2.37 [1.70–3.30]1.39 [1.03–1.89]1.44 [1.06–1.94] 0.0060.978
value<0.0010.0140.019
Cases correctly classified (%)75.876.075.8
AUC (95% CI)0.70 [0.65–0.75]0.61 [0.56–0.66]0.61 [0.56–0.66]

T2-DMOR (95% CI)3.17 [1.75–5.77] 3.12 [1.72–5.66]1.33 [0.83–2.15]0.9200.024
value<0.001<0.0010.235
Cases correctly classified (%)91.991.791.9
AUC (95% CI)0.77 [0.72–0.81]0.76 [0.72–0.81]0.66 [0.61–0.71]

Composite IGT and T2-DMOR (95% CI)3.12 [2.26–4.31] 1.90 [1.42–2.53]1.51 [1.14–1.99]0.0070.185
value<0.0010.0010.139
Cases correctly classified (%)70.669.166.3
AUC (95% CI)0.76 [0.71–0.80]0.68 [0.63–0.73]0.65 [0.59–0.69]

LAP, lipid accumulation product; HOMA-IR, homeostasis model assessment of insulin resistance; OR, odds ratio; AUC, area under the curve; 95% CI, 95% confidence interval; IGT, impaired glucose tolerance; T2-DM, type-2 diabetes mellitus.
*LAP versus HOMA-IR.
**Waist circumference versus HOMA-IR.
For linear increase over sex-specific tertiles of the distribution according to logistic regression adjusted for age (continuous) and smoking (current versus former smoker/nonsmoker).