Table 1.

Summarizes main demographic, clinical and gait features of the whole study population and both FRDA and OA subgroups at T0 and T1 time-points.

	T0			T1
	FRDA	OA	All	FRDA	OA	All
N	6	4	10	–	–	–
Age (y)
mean	15.66	10.00	13.10	–	–	–
st.dev.	8.40	4.80	7.30	–	–	–
Gender
(M/F)	2/4	3/3	5/6	–	–	–
BMI
mean	18.40	15.98	17.32	–	–	–
st.dev.	4.05	2.72	3.58	–	–	–
SARA
mean	13.83	12.13	13.15	11.70	11.75	11.72
st.dev.	6.53	5.54	5.89	5.07	6.76	5.48
9-HPT dominant (s)
mean	44.82	43.67	44.36	38.04	45.16	41.20
st.dev.	14.45	15.96	14.19	7.34	13.57	10.49
9-HPT non dominant (s)
mean	50.69	53.24	51.71	47.26	58.93	52.44
st.dev.	18.11	21.37	18.34	14.37	20.85	17.44
6MWT (m)
mean	349.96	305.01	334.98	356.00	372.10	363.16
st.dev.	99.62	155.34	106.39	168.75	131.63	144.25
Foot off (%gc)
mean	62.04	61.90	61.99	62.91	60.58	62.03
st.dev.	3.95	2.17	3.20	2.89	2.69	2.88
Stride width (m)
mean	0.22	0.20	0.21	0.22	0.19	0.21
st.dev.	0.05	0.02	0.04	0.07	0.03	0.05
Stance time (s)
mean	0.77	0.67	0.73	0.83	0.64	0.76
st.dev.	0.26	0.10	0.21	0.23	0.13	0.21
Stride velocity (m/s)
mean	0.89	0.94	0.91	0.79	0.95	0.85
st.dev.	0.29	0.13	0.24	0.17	0.13	0.17
Stride time (s)
mean	1.23	1.07	1.17	1.31	1.06	1.22
st.dev.	0.32	0.14	0.27	0.30	0.16	0.28
Swing time (s)
mean	0.46	0.41	0.44	0.48	0.41	0.46
st.dev.	0.07	0.04	0.06	0.07	0.04	0.07
Stride length (m)
mean	1.02	1.01	1.02	0.99	1.02	1.00
st.dev.	0.15	0.27	0.18	0.06	0.28	0.16
Step length (m)
mean	0.51	0.51	0.51	0.50	0.51	0.50
st.dev.	0.08	0.14	0.10	0.04	0.13	0.08
Double support (s)
mean	0.17	0.12	0.15	0.17	0.11	0.15
st.dev.	0.10	0.03	0.79	0.09	0.04	0.08

n, number; y, years; M, male; F, female; s, seconds; m, minutes; %gc, % gait cycle.