Research Article

Further Clinical Validation of the Walking Impairment Questionnaire for Classification of Walking Performance in Patients with Peripheral Artery Disease

Table 3

Partial correlation coefficients (r) of the scores of the Walking Impairment Questionnaire relative to peak walking time (ln PWT).

WIQ scorer

Distance0.63
Speed0.69
Stair0.53
Distance and speed0.69
Distance and stair0.65
Speed and stair0.66
Overall0.69

All correlations were adjusted for age, sex, and ABI.
All correlations were significant .