Table 1.

Reliability of EP signal across individuals and sessions: Nonparametric correlation (Spearman's rho) and intra‐class coefficient (ICC)

		Grand average	Session 1	Session 2	Session 3	ICC (95% CI)
Patient A	Session 1	0.938*
	Session 2	0.946*	0.987*
	Session 3	0.764*	0.885*	0.845*
	Session 4	0.816*	0.935*	0.900*	0.983*	0.932 (.911–.948)
Patient B	Session 1	0.931*
	Session 2	0.823*	0.664*
	Session 3	0.968*	0.911*	0.795*
	Session 4	0.864*	0.946*	0.565*	0.837*	0.728 (.455–.852)
Patient C	Session 1	0.693*
	Session 2	0.973*	0.741*
	Session 3	0.941*	0.582*	0.952*
	Session 4	0.921*	0.901*	0.930*	0.816*	0.680 (.480–.795)
Patient D	Session 1	0.422*
	Session 2	0.494*	0.717*
	Session 3	0.371*	0.496*	0.424*	–	0.584 (.172–.782)

^* p < .0001; Corrected significance threshold, p = .001; ICC, intra‐class coefficient Sessions 1–4 over 15 months.