Quantifying prosthetic gait deviation using simple outcome measures

Table 3 Correlations between performance-based measures, Spearman’s rank correlation coefficient displayed

	nSLpro	nSLint	nSLave	nSSWS	TUGT
nSLint	0.87
nSLave	0.98	0.95
nSSWS	0.84	0.91	0.88
TUGT	-0.70	-0.71	-0.71	-0.82
6MWD	0.86	0.89	0.89	0.96	-0.83

All correlations significant, P ≤ 0.001. nSL: Leg-length normalised average step length; nSSWS: Leg-length normalised self selected walking speed; TUGT: Timed-up-and-go test; 6MWD: Six-minute walk distance.