. Author manuscript; available in PMC: 2023 Oct 1.

Published in final edited form as: Cerebellum. 2022 Aug 12;22(5):790–809. doi: 10.1007/s12311-022-01424-1

Table 1.

Baseline characteristics of the S-Factor sample

	SCA1 (N=82)	SCA2 (N=81)	SCA3 (N=203)	SCA6 (N=72)	Overall (N=438)
Age (years)	50.0 (12.5), [25.4, 82.7]	46.2 (12.4), [14.5, 67.4]	49.6 (12.0), [18.0, 74.4]	62.8 (9.89), [31.2, 80.2]	51.2 (13.0), [14.5, 82.7]
Gender (female;male)	47;35	43;38	106;97	40;32	236;202
Total SARA score	11.8 (7.18), [0.5, 34.0]	14.4 (5.97), [1.0, 34.0]	11.4 (7.34), [0, 33.0]	13.3 (7.21), [0.5, 32.0]	12.4 (7.13), [0, 34.0]
Age at disease onset (years)	41.3 (11.1), [19.0, 65.0]	36.4 (11.9), [4.00, 62.0]	39.8 (11.7), [10.0, 69.0]	52.8 (9.65), [25.0, 70.0]	41.6 (12.4), [4.00, 70.0]
Disease duration (years)	8.67 (6.30), [0.0100, 26.8]	9.77 (5.90), [0.320, 26.9]	9.74 (8.45), [0, 48.2]	10.0 (9.13), [0.500, 43.1]	9.59 (7.78), [0, 48.2]
CAG expansion repeat length $(Q_{e})$	46.6 (4.63), [39.0, 60.0]	39.8 (3.68), [34.0, 60.0]	71.5 (4.51), [55.0, 83.0]	22.3 (0.813), [21.0, 26.0]	52.9 (19.2), [21.0, 83.0]
Maximum healthy repeat length $(Q_{max})$ ^{^}	35	32	44	14	-

Mean (standard deviation), [range]

^{^}

([3]; [26]; [29]; [30])