Table 1.
Optimal cut-off points of VAI (stratifying PC Patients for age quintiles) to detect subjects with Metabolic Syndrome (ATP III criteria).
| Cutoff Point | Sens. (%) | Spec. (%) | Area under ROC curve | SE | 95% CI | p | |
|---|---|---|---|---|---|---|---|
|
First age quintile Age (< 30 years) |
2.52 | 100 | 99.45 | 0.997 | 0.003 | 0.98 - 1.00 | < 0.001 |
|
Second age quintile Age (≥ 30 and < 42 years) |
2.23 | 84.62 | 92.39 | 0.898 | 0.061 | 0.86 - 0.92 | < 0.001 |
|
Third age quintile Age (≥ 42 and < 52 years) |
1.92 | 90.48 | 72.55 | 0.852 | 0.037 | 0.80 - 0.88 | < 0.001 |
|
Fourth age quintile Age (≥ 52 and < 66 years) |
1.93 | 77.22 | 82.29 | 0.840 | 0.028 | 0.79 - 0.87 | < 0.001 |
|
Fifth age quintile Age (≥ 66 years) |
2.00 | 68.5 | 76.0 | 0.783 | 0.025 | 0.73 - 0.82 | < 0.001 |
Sens. (sensitivity); Spec. (Specificity); SE (Standard Error). CI (Confidence Interval)