SenseWear Armband and Stroke: Validity of Energy Expenditure and Step Count Measurement during Walking

Table 2

Physiological, energy expenditure, and walking data from six-minute walks.

	Six-minute walk one	Six-minute walk two	𝑃
Physiological data
Heart rate (beats/min)	92.9 (13.3)	95.1 (14.0)	0.019
Oxygen uptake (mL/kg/min)	10.9 (2.0)	11.4 (2.2)	0.013
Respiratory exchange ratio	0.88 (0.08)	0.86 (0.05)	0.125
Energy expenditure data
EE SWA (hemiplegic arm), kcal/min	4.7 (1.4)	4.7 (1.3)	0.845
EE SWA (nonhemiplegic arm), kcal/min	4.8 (1.6)	4.9 (1.3)	0.432
EE metabolic cart, kcal/min	4.3 (1.0)	4.5 (1.0)	0.013
Walking data
Steps from SWA (hemiplegic arm)	296.9 (196.7)	330.5 (197.6)	0.062
Steps from SWA (nonhemiplegic arm)	335.3 (229.0)	305.3 (231.3)	0.21
Steps from StepWatch Activity Monitor	505.5 (98.0)	515.8 (105.2)	0.171
Distance walked (m)	215.2 (80.5)	225.2 (86.4)	0.084
Walking speed (m/sec)	0.60 (0.22)	0.63 (0.24)	0.084

All values are mean (SD). EE: energy expenditure; SWA: SenseWear ArmBand.