Table 3.

Characterizing data of the longitudinal sub-cohort in terms of visits and the respective SARA gait score assessed at the baseline visit

Time of observation in days mean [min, max]	463.43 [130,810]
Number of visits	2 visits: 24
Number of patients according to their baseline level of gait disturbances	3 visits: 6
	SARA gait score of 0: 5
	SARA gait score of 1: 4
	SARA gait score of 2: 15
	SARA gait score of 3: 5
	SARA gait score of 4: 1

The baseline rating refers to the ground truth SARA gait score rating assessed by a neurologist at the first visit. 24 patients had 1 follow-up visit, 6 patients had 2 follow-up visits.