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

Table 1

Baseline characteristics of participants.

Characteristics
N	123
Age (years)—mean (SD)	66.5 (9.4)
Male sex %	70.7
ABI—mean (SD)	0.61 (0.17)
BMI (kg/m^2)—mean (SD)	28.0 (5.6)
Waist circumference (cm)—mean (SD)	98.5 (12.9)
Current smoker %	31.4
Former smoker %	65.3
Never smoked %	3.3
Pack years—mean (SD)	23.8 (14.3)
Diabetes %	22.8

SD: standard deviation, ABI: ankle brachial index, BMI: body mass index.