Table 2.

Kendall’s tau-b correlation matrix (2-tailed), comparing the electromechanical delay in the prosthesis to a sub-selection of the outcome measures.

	Duration	Reach plateau length	Gaze Time Hand/GCA (Transport)	Gaze Time LCA/Tube (Transport)	Total number of switches (Transport)	Prosthesis wear time
Delay to open from closed		τ = − .495* p = .014 n = 14		τ = .436* p = .038 n = 13
Delay to open from neutral				τ = .455* p = .040 n = 12	τ = − .515* p = .020 n = 12	τ = .436* p = .038 n = 13
Delay to close from open	τ = − .411* p = .042 n = 14		τ = − .562** p = .008 n = 13	τ = .805** p =  < .001 n = 13	τ = − .597** p = .005 n = 13
Delay to close from neutral		τ = − .451* p = .025 n = 14	τ = − .555** p = .009 n = 13	τ = .641** p = .002 n = 13	τ = − .615** p = .003 n = 13

Only significant correlations with τ values > 0.3 or < -0.3 are shown. ** Correlation is significant at the .01 level. *Correlation is significant at the .05 level.