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. Author manuscript; available in PMC: 2014 Mar 24.
Published in final edited form as: J Vasc Surg. 2012 Jun;55(6):1662–73.e2. doi: 10.1016/j.jvs.2011.12.010

Table VII. Correlation between baseline ABI and WIQ domain score in PAD participants.

Pearson
coefficient
p value
WIQ stair climbing score 0.074 0.06
WIQ distance score 0.270 < 0.0001
WIQ speed score 0.178 < 0.0001

ABI = ankle brachial index

WIQ = Walking Impairment Questionnaire

PAD = peripheral arterial disease

P < 0.05 is statistically significant