The FreeD module for the Lokomat facilitates a physiological movement pattern in healthy people – a proof of concept study

Aurich-Schuler, Tabea; Gut, Anja; Labruyère, Rob

doi:10.1186/s12984-019-0496-x

Journal of NeuroEngineering and Rehabilitation

Table 2 Distribution (median, IQR) and statistical analysis of the intra-subject Spearman’s correlation coefficients (ρ) between the conditions

From: The FreeD module for the Lokomat facilitates a physiological movement pattern in healthy people – a proof of concept study

		Median	IQR	pos./neg. Differences [%]	Median of the Difference	Wilcoxon (p-value)	FDR- corrected p-value	Effect Size
M.erector spinae	ρ _FT	0.486	0.309	45.2 / 54.8	−0.065	0.318	0.462	0.186
	ρ _CT	0.601	0.275	45.2 / 54.8	−0.065	0.318	0.462	0.186
	ρ _FO	0.449	0.363	57.1 / 42.9	0.016	0.552	0.631	0.110
	ρ _CO	0.560	0.302	57.1 / 42.9	0.016	0.552	0.631	0.110
M.rectus abdominis	ρ _FT	0.236	0.353	61.3 / 38.7	0.142	0.046	0.243	0.371
	ρ _CT	0.148	0.384	61.3 / 38.7	0.142	0.046	0.243	0.371
	ρ _FO	0.191	0.416	57.1 / 42.9	0.125	0.236	0.419	0.220
	ρ _CO	0.067	0.407	57.1 / 42.9	0.125	0.236	0.419	0.220
M.obliquus ext. abdominis	ρ _FT	0.450	0.582	80.6 / 19.4	0.093	0.010	0.134	0.480
	ρ _CT	0.297	0.462	80.6 / 19.4	0.093	0.010	0.134	0.480
	ρ _FO	0.293	0.365	57.1 / 42.9	0.027	0.646	0.689	0.085
	ρ _CO	0.363	0.305	57.1 / 42.9	0.027	0.646	0.689	0.085
M.gluteus medius	ρ _FT	0.739	0.365	58.1 / 41.9	0.031	0.421	0.562	0.149
	ρ _CT	0.683	0.325	58.1 / 41.9	0.031	0.421	0.562	0.149
	ρ _FO	0.716	0.405	75.0 / 25.0	0.047	0.066	0.265	0.341
	ρ _CO	0.631	0.386	75.0 / 25.0	0.047	0.066	0.265	0.341
M.gluteus maximus	ρ _FT	0.585	0.354	54.8 / 45.2	0.010	0.809	0.809	0.045
	ρ _CT	0.636	0.268	54.8 / 45.2	0.010	0.809	0.809	0.045
	ρ _FO	0.668	0.353	67.9 / 32.1	0.041	0.017	0.134	0.444
	ρ _CO	0.576	0.318	67.9 / 32.1	0.041	0.017	0.134	0.444
M.tensor fascia latae	ρ _FT	0.667	0.245	61.3 / 38.7	0.023	0.195	0.419	0.240
	ρ _CT	0.643	0.326	61.3 / 38.7	0.023	0.195	0.419	0.240
	ρ _FO	0.604	0.248	64.3 / 35.7	0.037	0.126	0.335	0.284
	ρ _CO	0.575	0.277	64.3 / 35.7	0.037	0.126	0.335	0.284
Adductors	ρ _FT	0.584	0.186	77.4 / 22.6	0.081	0.090	0.289	0.315
	ρ _CT	0.512	0.263	77.4 / 22.6	0.081	0.090	0.289	0.315
	ρ _FO	0.605	0.370	64.3 / 35.7	0.035	0.227	0.419	0.224
	ρ _CO	0.514	0.423	64.3 / 35.7	0.035	0.227	0.419	0.224
M.vastus medialis	ρ _FT	0.729	0.453	41.9 / 58.1	−0.010	0.318	0.462	0.186
	ρ _CT	0.740	0.406	41.9 / 58.1	−0.010	0.318	0.462	0.186
	ρ _FO	0.673	0.280	60.7 / 39.3	0.009	0.493	0.607	0.127
	ρ _CO	0.668	0.377	60.7 / 39.3	0.009	0.493	0.607	0.127

Statistically significant p-values before FDR correction and corresponding effect sizes are in bold. The positive/negative differences [%] represent the percentage of participants who revealed a positive difference/negative difference between ρ_FT - ρ_CT or ρ_FO - ρ_CO. Abbreviations: IQR Interquartile range, FDR False Discovery Rate, F FreeD, C Control, T Treadmill, O Overground; new variables ρ_FT, ρ_FO, ρ_CT, ρ_CO correspond to Fig. 2

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