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. Author manuscript; available in PMC: 2018 Oct 1.

Published in final edited form as: Aging Clin Exp Res. 2016 Dec 20;29(5):1021–1030. doi: 10.1007/s40520-016-0693-4

Table 4. Spearman rank correlation coefficients between balance accelerometry conditions, and Duke Comorbidity Index and gait speed.

	Duke Comorbidity Index	Gait speed
Foam EC (AP-RMS)	0.39^*	-0.06
Foam EC (ML-RMS)	0.41^*	0.10
Feet tandem (AP-RMS)	0.47^*	-0.39
Feet tandem (AP-NPL)	0.57^*	-0.38
Feet tandem (ML-RMS)	0.52^*	-0.65^*
Feet tandem (ML-NPL)	0.42^*	-0.42^*
Semi-tandem (AP-NPL)	0.57^*	-0.13
Semi-tandem (ML-RMS)	0.46^*	-0.07
Semi-tandem (ML-NPL)	0.50^*	0.08

^*

indicates significant correlation coefficient p < 0.05.