Table 1.
Efficacy of the derived metrics for differentiating between controls and subjects with CP. Comparisons are made between the right or left finger tapping (RFT/LFT) for controls versus tapping with the affected hand for subjects with CP.
| Control RFT/LFT versus affected | Distancefrom center | Areadifference | Duration/time-to-peak | Area difference(similarity) | Distancefrom seed |
|---|---|---|---|---|---|
| Specificity (%) | 100 | 60 | 80 | 80 | 100 |
| Sensitivity (%) | 80 | 60 | 100 | 60 | 60 |
| PPV (%) | 100 | 60 | 83 | 75 | 100 |
| NPV (%) | 83 | 60 | 100 | 66 | 71 |
| Control RFT/LFT versus unaffected | |||||
| Specificity (%) | 100 | 60 | 80 | 80 | 100 |
| Sensitivity (%) | 60 | 20 | 60 | 20 | 60 |
| PPV (%) | 100 | 33 | 75 | 50 | 100 |
| NPV (%) | 71 | 43 | 66 | 50 | 71 |