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Diagnostic accuracy of exercise-ABI and PVR parameters using optimum cut-off value in patients with ABI above 0.91
| Sensitivity (%) | Specifcity (%) | Positive predictive value (%) | Negative predictive value (%) | |
|---|---|---|---|---|
| Ex-ABI | 96.2 | 73.5 | 43.9 | 98.9 |
| UT | 85.2 | 69.2 | 38.3 | 95.4 |
| %MAP | 63.0 | 66.7 | 29.8 | 88.9 |
| Combination of UT and %MAP | 85.1 | 50.8 | 28.0 | 93.8 |
ABI: ankle-brachial pressure index; Ex: exercise; %MAP: % mean artery pressure; UT: upstroke time; PVR: pulse volume recoding
