Table 2.

Six minutes walking distance, maximum walking speed, energy cost, physical activity, and their associations with motor impairment of the affected lower extremity  (n = 31).

		Spearman's rho
6MWT distance (m), mean (SD)	352 (±136)	0.80**
Maximum speed over 30 m (m/s), mean (SD)	1.30 (±0.57)	0.82**
PCI (beats/m), mean (SD)	0.60 (±0.41)	−0.57**
PASE, mean (SD)	124 (±67)	0.24

6MWT: 6-minute walk test: PCI: Physiological Cost Index: PASE: Physical Activity Scale for the Elderly. **correlation significant at P < 0.01.