Gait Speed Measurement for Elderly Patients with Risk of Frailty

Table 2

Experiment results for the static start measure with UltraGaitSpeed v1.0.

	Differences (seconds)
	Stopwatch 1 and stopwatch 2	Stopwatch avg. and UltraGaitSpeed v1.0	Stopwatch 1 and UltraGaitSpeed v1.0	Stop watch 2 and UltraGaitSpeed v1.0
Mean	0.20	0.64	0.64	0.64
Median	0.13	0.45	0.38	0.49
Mode	0.28	No mode present	0.13	0.47
Truncated mean (10%)	0.16	0.55	0.53	0.56
Average relative error with respect to manual watch average time (%)	3.7%	11.9%	11.9%	11.9%
Standard deviation	0.20	0.57	0.63	0.53