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Characterization of the TUG and TUG+ test. The following parameters are displayed: sensitivity (Se), specificity (Sp), positive (LR+) and negative (LR−) likelihood ratios, positive (PPV) and negative (NPV) predictive values and accuracy (Acc). Improvements of TUG+ and AI methods with respect to TUG are emphasized in bold font.
| TUG | TUG+ | AI | |
|---|---|---|---|
| Se | 0.714 | 0.857 | 0.750 |
| Sp | 0.541 | 0.500 | 0.750 |
| LR+ | 1.56 | 1.71 | 3.00 |
| LR− | 0.529 | 0.286 | 0.333 |
| PPV | 0.481 | 0.778 | 0.750 |
| NPV | 0.761 | 0.632 | 0.750 |
| Acc | 0.657 | 0.739 | 0.750 |
