Nonparetic Knee Extensor Strength Is the Determinant of Exercise Capacity of Community-Dwelling Stroke Survivors

Table 3

Pearson’s correlation with walking speed and VO₂ peak.

Variables	Sp_12m	VO2 peak
Duration	−0.067	0.002
Age	−0.220	−0.365*
Height	0.236	0.487*
Weight	0.357*	0.584*
BMI	0.259	0.396*
FIM	0.464*	0.430*
FIM_motor	0.477*	0.321
FIM_cognition	0.150	0.422
60DT_PL	0.619*	0.535*
60DT_NPL	0.448*	0.479*
90DT_PL	0.662*	0.485*
90DT_NPL	0.474*	0.606*
Sp_12m	—	0.465
VE	0.376*	—
VO2 peak	0.465*	—
HRmax	0.358*	—

.
FIM: functional independent measurement, FIM_motor: motor component of FIM, FIM_cognition: cognition component of FIM, Sp_12m: speed of total 12 meters; 90DT_PL: 90-degree torque of paretic leg; 90DT_NPL: 90-degree torque of nonparetic leg; 60DT_PL: 60-degree torque of paretic leg; 60DT_NPL: 60-degree torque of nonparetic leg; VE: ventilation; VO₂ peak: peak O₂ consumption; HRmax: maximal heart rate.