DISCUSSION
In patients with disabling claudication caused by PAD, 12 weeks of treadmill training resulted in improvements in functional status, as indicated by an increase in PAR-assessed physical activity, MOS physical functioning, and number of bouts of activity measured by the Vitalog. After an additional 12 weeks of treadmill training, PAR and MOS improvements
were maintained, and the WIQ-assessed ability to walk distances and claudication severity scores
were also improved.