Table 2.

Changes of clinical and gait assessments across the study.

MMRM	DF	F value	p value	T n	Post hoc (p value)
					Real group	Sham group
FOG-Q
Group	1	0.280	0.601	T 3	0.003∗	1.000
Visit	2	3.641	0.033∗	T 5	0.023∗	1.000
Group ∗ visit	2	3.445	0.039∗
MDS-UPDRS III
Group	1	0.941	0.341	T 1	1.000	1.000
Visit	5	3.576	0.005∗	T 2	0.038∗	1.000
Group ∗ visit	5	1.158	0.334	T 3	0.002∗	1.000
				T 4	0.000∗	1.000
				T 5	0.004∗	1.000
Ambulation time (seconds)
Group	1	8.535	0.007∗	T 1	0.048∗	1.000
Visit	5	2.919	0.016∗	T 2	1.000	1.000
Group ∗ visit	5	3.158	0.010∗	T 3	0.004∗	1.000
				T 4	0.000∗	1.000
				T 5	0.000∗	1.000
Cadence (steps/min)
Group	1	0.721	0.404	T 1	0.241	1.000
Visit	5	3.214	0.009∗	T 2	1.000	1.000
Group ∗ visit	5	2.788	0.020∗	T 3	0.178	1.000
				T 4	0.021∗	1.000
				T 5	0.000∗	1.000
Step count
Group	1	7.834	0.010∗	T 1	0.871	1.000
Visit	5	2.008	0.082	T 2	1.000	1.000
Group ∗ visit	5	2.446	0.038∗	T 3	0.090	1.000
				T 4	0.007∗	1.000
				T 5	0.009∗	1.000
Velocity (cm/sec)
Group	1	6.471	0.018∗	T 1	0.190	1.000
Visit	1	4.890	0.000∗	T 2	1.000	1.000
Group ∗ visit	5	3.381	0.007∗	T 3	0.010∗	1.000
				T 4	0.000∗	1.000
				T 5	0.000∗	1.000

T _n: test number; post hoc: comparing with T ₀; MMRM: mixed effect model repeated measures; DF: degree of freedom. ^∗ p < 0.05.