Table 2.

ICC between the two clinical raters, as well as ICC between the average of the clinical raters and the algorithm based on IMUs on the feet and the algorithm based on IMUs on the shins

Video	# of detected episodes		ICC (2,1)- CI	# of detected episodes		ICC (2,1)- CI	# of detected episodes		ICC (2,1)- CI
Rater 1 vs Rater 2	Rater 1	Rater 2	Very Short episodes (< 1 s)	Rater 1	Rater 2	Short episodes (2 to 5 s)	Rater 1	Rater 2	Long episodes (> 5 s)
Walk 2-min ST	7	45	0.396 (− 0.210 to 0.698)	35	31	0.892 (0.795 to 0.943)	13	9	0.848 (0.707 to 0.921)
Walk 1-min DT	3	25	0.346 (− 0.375 to 0.689)	13	30	0.743 (0.492 to 0.870)	8	10	0.929 (0.857 to 0.964)
Overall	10	70	0.390 (− 0.005 to 0.629)	48	61	0.839 (0.746 to 0.899)	21	19	0.875 (0.801 to 0.922)

Wearable sensors on feet	# of detected episodes		ICC (2,1)- CI	# of detected episodes		ICC (2,1)- CI	# of detected episodes		ICC (2,1)- CI
Algorithm vs Raters	Algorithm	Raters	Very Short episodes (< 1 s)	Algorithm	Raters	Short episodes (2 to 5 s)	Algorithm	Raters	Long episodes (> 5 s)
Walk 2-min ST	71	26	0.474 (0.025 to 0.718)	36	33	0.915 (0.841 to 0.955)	7	11	0.872 (0.761 to 0.932)
Walk 1-min DT	57	14	0.355 (− 0.161 to 0.658)	12	22	0.387 (− 0.171 to 0.683)	6	9	0.932 (0.865 to 0.966)
Overall	128	40	0.431 (0.018 to 0.662)	48	55	0.818 (0.714 to 0.884)	13	20	0.895 (0.833 to 0.934)

Wearable sensors on shins	# of detected episodes		ICC (2,1)- CI	# of detected episodes		ICC (2,1)- CI	# of detected episodes		ICC (2,1)- CI
Algorithm vs Raters	Algorithm	Raters	Very Short episodes (< 1 s)	Algorithm	Raters	Short episodes (2 to 5 s)	Algorithm	Raters	Long episodes (> 5 s)
Walk 2-min ST	94	26	0.374 (− 0.175 to 0.666)	24	33	0.703 (0.443 to 0.842)	4	11	0.688 (0.414 to 0.833)
Walk 1-min DT	49	14	− 0.176 (− 1.306 to 0.400)	20	22	0.619 (0.252 to 0.806)	4	9	0.814 (0.636 to 0.905)
Overall	143	40	0.304 (− 0.095 to 0.558)	44	55	0.672 (0.485 to 0.792)	8	20	0.744 (0.597 to 0.837)