Table 2.

Original development and validation studies for disease-specific questionnaires used in assessing functional status and/or HRQOL in symptomatic PAD patients.

Questionnaires	Authors & Year	Domains/Subscales	Items	† Scoring Range
a WIQ	Regensteiner et al 199066	4	22	0–100
b CLAU-S	Finger et al 199587	5	47	0–100
c PAVK-86	Heidrich et al 1995119	7	86	4-1
d VascuQOL	Morgan et al 200196	5	25	1–7
e PAQ	Spertus et al 200482	7	20	0–100
f SIPIC	Gilson et al 1975103 Bergner et al 1976104 * Arfvidsson et al 1993105	*6	*12	*12-0
g ICQ	Chong et al 2002107	1	16	0–100

^†Indicates worst to best

^*Describes the SIP_IC version of the questionnaire

^aWIQ = Walking Impairment Questionnaire;

^bCLAU-S = Claudication Scale;

^cPAVK-86 = Peripheral Artery Occlusive Disease 86-item questionnaire;

^dVascuQOL = Vascular Quality of Life questionnaire;

^ePAQ = Peripheral Artery Questionnaire;

^fSIP_IC = Sickness Impact Profile – Intermittent Claudication;

^gICQ = Intermittent Claudication Questionnaire