Wearable biofeedback device to assess gait features and improve gait pattern in people with parkinson’s disease: a case series

Table 2 Outcomes from 10-mWT

Outcome measures			Pre-trn		Post-trn		Statistical analysis wilcoxon sum rank test (p-value)
Outcome measures		Biofeedback strategy	No-Bf(1)	Bf(2)	No-Bf(3)	Bf(4)	Statistical analysis wilcoxon sum rank test (p-value)
Gait speed (m/sec)	Subject 1 Subject 2 Subject 3 Subject 4 Subject 5 Subject 6 Subject 7 *Median(1°,3°)*	LR LR LR LR LR PO PO	0.46 0.47 0.78 0.72 1,06 0,72 0,74 0.72(0.59,0.72)	0.32 0.42 0.68 0.55 1,03 0,53 1,07 0.55(0.48,0.85)	0.75 0.72 0.96 1.06 1.35 1.02 0.62 0.96(0.73,1.04)	0.50 0.79 0.95 0.99 1.24 0.98 0.58 0.95(0.69,0.98)	IE_pre (0.237)
							IE_post (0.128)
							TE (0.028)*
							TT (0.043)*
Step length (m)	Subject 1 Subject 2 Subject 3 Subject 4 Subject 5 Subject 6 Subject 7 *Median(1°,3°)*	LR LR LR LR LR PO PO	0.87 0.72 0.94 0.81 1.16 0.81 0.96 0.87(0.81,0.96)	0.77 0.87 0.98 0.77 1.18 0.91 1.17 0.91(0.82,1.07)	1.1 0.85 1.07 1.08 1.37 1.02 0.87 1.1(0.95,1.09)	0.94 0.98 1.19 1.09 1.33 1.05 0.91 1.05(0.96,1.14)	IE_pre (0.31)
							IE_post (0.612)
							TE (0.028)*
							TT (0.028)*

Abbreviations 10-mWT, 10-meter walkway test; Pre-trn, pre-training assessment; Post-trn, post-training assessment; LR, Loading response; PO, Push-off; No-Bf, without biofeedback; Bf, with biofeedback. IE_pre (Immediate effect Pre, 1vs2), IE_post (Immediate effect Post, 3vs4), TE (Training Effect, 1vs3), TT (Total Effect, 1vs4), * p < 0.05

ISSN: 1743-0003