Table 3.

Regression analyses for the prediction of 6-minute walking distance as a percentage of normal value.

	Standardized coefficient beta	t (P value)
Model 1: Knee extension, strongest leg
Expanded disability status scale*	−0.72	−4.78 (<0.001)
Mean response time*	0.33	2.20 (<0.05)
Knee extension peak torque strongest leg	0.09	0.63 (0.53)
Model 2: Knee extension, weakest leg
Expanded disability status scale*	−0.69	−4.41 (<0.001)
Mean response time*	0.33	2.20 (<0.05)
Knee extension peak torque weakest leg	0.13	0.82 (0.42)
Model 3: Knee flexion, strongest leg
Expanded disability status scale*	−0.73	−4.77 (<0.001)
Mean response time*	0.32	2.12 (<0.05)
Knee flexion peak torque strongest leg	−0.03	−0.17 (0.87)
Model 4: Knee flexion, weakest leg
Expanded disability status scale*	−0.69	−4.37 (<0.001)
Mean response time	0.31	2.08 (0.05)
Knee flexion peak torque weakest leg	0.11	0.70 (0.49)

*P < 0.05.