Table 1.
PAD-specific PROMs questionnaires.
| Instrument | Domains (number of levels) | Response options (scale) | Scoring | Mode of administration and/or time needed to complete |
|---|---|---|---|---|
| Intermittent Claudication Questionnaire (ICQ)41 | Health-related quality of life (16) | Likert scale: 5 | Summing scores and transforming to a 0–100 scale | Self-completed (3.7 minutes) |
| Impact of PAD on Quality of Life Questionnaire (PAD-QoL)40 | Social relationships and interactions (9), self-concept and feelings (7), symptoms and limitations in physical functioning (8), fear and uncertainty (4), positive adaptation (7) | Likert scale: 5 | Summed and transformed score 0–100% | Self-completed (5–10 minutes) |
| Peripheral Artery Questionnaire (PAQ)37 | Physical limitation (7), symptoms (4), quality of life (3), social function (3), treatment satisfaction (3) | Likert scale: 5 | 0–100 (lower scores indicating worse performance) | Self-completed |
| Vascular Quality of Life Questionnaire (VascuQoL)36 | Pain (4), activity (8), emotional (7), symptoms (4), social (2) | Likert scale: 7 | 1 (the worst) to 7 (the best possible) | Self-completed |
| Walking Impairment Questionnaire (WIQ)31 | Symptom severity (8), walking distance (7), walking speed (4), stair-climbing (3) | Likert scale: 5 | 0 (unable to do) to 4 (no difficulty) | Self-completed (6 minutes) |
PAD, peripheral artery disease; PROMs, patient-reported outcome measures.