Areas under the ROC curve for NAAx, NAAx/mIns, and finger-tapping speed at baseline
| Accuracy to Differentiate Controls from Patients: Area (CI)a | Accuracy to Differentiate Patients with ALS from Patients with PMA: Area (CI) | |
|---|---|---|
| NAAx | 0.663 (0.510–0.816) | 0.750 (0.582–0.918).016 |
| Finger-tapping speedb | 0.820 (0.709–0.932).001 | 0.764 (0.608–0.919).011 |
| NAAx/mIns | 0.712 (0.573–0.850).024 | 0.649 (0.463–0.836) |
a All patient groups included.
b Finger-tapping speed: (L + R) / 2.