Table 1.

Participant demographic and clinical information

Age group	Subject	Sex	Diagnosis	BARS total	SARA total	MDS-UPDRS total	PROM-Ataxia total	EQ-5D-VAS (100–0)
30–40	1	F	SCA3	0.75	0.8	1	73	67.5
	2	M	SCA3	5.75	5.5	6.5	64.5	82.5
	3	F	Control	0	0	0	23.5	100
	4	F	SCA3	19.75	19.9	41.5	107	83
	5	F	SCA3	14	15.8	38.5	123	77.5
	6	F	SCA3	0.25	1.3	3.5	54	73
41–50	7	F	SCA3	15	18.1	41	117	35
	8	M	SCA3	5	6.5	19.5	69.5	60
	9	M	SCA3	17	17.5	28	152.5	78.5
	10	M	SCA3	21	25.8	50.5	167.5	67.5
	11	F	Control	0	0	2	16	82.5
	12	M	SCA3	5.75	5.8	11.5	19.5	77.5
	13	F	Control	0	0	0	9	97
	14	F	SCA1	11	13.4	36.2	131	50
	15	F	SCA3	4.25	4.8	9	53	92.5
	16	F	SCA2	9.5	11.8	26	128	77.5
51–60	17	F	Control	0	0	0	12.5	94
	18	M	SCA2	17	16.8	29.5	138	89.5
	19	F	SCA3	13.75	16.3	22	118.5	44.5
	20	M	MSA-C	16.5	19.3	48	177.5	62
	21	M	Control	0	0	0	26	87.5
	22	F	SCA3	8.75	11.5	23.5	72.5	81
	23	M	SCA1	13.75	14.1	37	77.5	50
	24	F	MSA-C	18.5	18.7	31.7	181.5	57
	25	M	SCA3	10.5	9.8	15.5	31	87
	26	M	SCA3	10.75	9.8	18	21	94.5
	27	F	SCA6	5.5	5	12	49	90.5
	28	F	SCA3	9.25	13.5	21	56	93.5
	29	M	SCA3	1.5	1.5	7	44.5	88.5
61–72	30	M	SCA3	11.75	11.5	16.5	152.5	27.5
	31	M	MSA-C	17.75	20.2	56.5	149.5	38
	32	F	Control	0	0	0	47.5	81
	33	F	SCA1	9.75	11	17.5	91.5	50
	34	F	Control	0	0	1	29	86.5
	35	F	MSA-C	7.25	8.3	14.5	112.5	40
	36	F	MSA-C	13	16	25.5	140	71.5
	37	M	Control	1.5	3.5	7	16.5	90
	38	M	MSA-C	14.5	16	28.5	90	85
	39	M	SCA3	16.75	16.3	40	145	88.5
	40	M	SCA6	2.5	1	6	67.5	96.5
	41	M	SCA6	5.5	3	4	56	90
	42	F	SCA3	14.75	17	24	142	79

Average SARA/BARS scores from the two virtual assessors are shown. Some total scores contain fractions of a point due to the linear scaling procedure applied for missing subscores (see ‘Materials and methods’ section). BARS, Brief Ataxia Rating Scale; EQ-5D-VAS, EuroQOL-5D-Visual Analogue Scale; PROM-Ataxia, Patient-Reported Outcome Measure of Ataxia; SARA, Scale for the assessment and rating of ataxia; UPDRS, Unified Parkinson’s Disease Rating Scale.