Clinical Study

Anti-Apolipoprotein A-1 IgG Levels Predict Coronary Artery Calcification in Obese but Otherwise Healthy Individuals

Table 3

Respective predictive accuracies of anti-apoA-1 IgG and Framingham Risk Score (FRS) for the presence of CAC lesion and the presence of coronary endothelial dysfunction.

ROC curve analysesNonobese subjects ( )Obese subjects ( )
Area under the curve (95% CI), P value
Area under the curve (95% CI), P value

Abnormal coronary artery calcium score prediction (>0)
 Anti-apoA-1 IgG0.54 (0.24–0.83), P = 0.410.79 (0.54–1.0), P = 0.01
 FRS0.83 (0.69–0.98), P < 0.00010.85 (0.68–100), P < 0.0001
 Anti-apoA-1 IgG + FRS0.79 (0.63–0.95), P = 0.00020.88 (0.70–100), P < 0.0001
 hs-CRP0.52 (0.28–0.76), P = 0.430.64 (0.36–0.92), P = 0.17
Coronary endothelial dysfunction prediction
(ΔMBF during CPT < 30 mL/min/g)
 Anti-apoA-1 IgG0.51 (0.31–0.70), P = 0.470.68 (0.10–100), P = 0.24
 FRS0.73 (0.59–0.87), P = 0.0006
0.87 (0.80–0.94), P < 0.0001
 hs-CRP0.53 (0.35–0.71), P = 0.360.60 (0.20–0.80), P = 0.30