Table 2.

ROC curve analysis of ERP components for the discrimination between SCA1 patients and HC

ERPs	AUC (95% CI)	p-value
N100 latency (ms)	0.691 (0.502–0.881)	0.065
N100 amplitude (μV)	0.734 (0.554–0.915)	0.024
N200 latency (ms)	0.721 (0.534–0.907)	0.033
N200 amplitude (μV)	0.668 (0.478–0.857)	0.105
P300 latency (ms)	0.777 (0.612–0.942)	0.007
P300 amplitude (μV)	0.715 (0.531–0.898)	0.038

ERPs event-related potentials; AUC area under the curve. Statistically significant p-values are highlighted in bold