Table 4.
Area Under the Curve Derived from Receiver- Operator Curves for the Diagnosis of PAD Using Combination Biomarkers
| Marker | NHSD vs CAD+PAD | CAD vs CAD+PAD |
|---|---|---|
| β2M | 0.697 (0.648, 0.746) | 0.613 (0.544, 0.681) |
| Cystatin C | 0.704 (0.655, 0.752) | 0.593 (0.524, 0.662) |
| hsCRP | 0.593 (0.54, 0.645) | 0.583 (0.511, 0.655) |
| Glucose | 0.637 (0.585, 0.69) | 0.563 (0.492, 0.633) |
| β2M + HsCRP | 0.617 (0.565, 0.668) | 0.600 (0.529, 0.671) |
| β2M + Cystatin C | 0.690 (0.641, 0.74) | 0.557 (0.486, 0.627) |
| β2M + Glucose | 0.677 (0.627, 0.726) | 0.606 (0.536, 0.675) |
| hsCRP + Cystatin C | 0.669 (0.62, 0.718) | 0.612 (0.542, 0.682) |
| hsCRP + Glucose | 0.683 (0.632, 0.733) | 0.627 (0.559, 0.696) |
| Cystatin C + Glucose | 0.709 (0.66, 0.757) | 0.623 (0.554, 0.691) |
| β2M + hsCRP + Cystatin C | 0.693 (0.644, 0.741) | 0.589 (0.52, 0.659) |
| β2M + hsCRP + Glucose | 0.691 (0.642, 0.741) | 0.639 (0.571, 0.707) |
| β2M + Cystatin C + Glucose | 0.734 (0.687, 0.781) | 0.608 (0.539, 0.676) |
| hsCRP + Cystatin C + Glucose | 0.719 (0.671, 0.766) | 0.65 (0.583, 0.717) |
| β2M + hsCRP + Cystatin C + Glucose | 0.747 (0.702, 0.791) | 0.636 (0.568, 0.703) |