“…The studies of the quality of life of patients with intermittent claudication employed various general questionnaires, i.e. Short Form-36 [19,20], Nottingham Health Profile [21] or EuroQol [22]. As rightly pointed out by Chong et al [9], the non-specific character of these tools can skip certain aspects of the quality of life closely related to intermittent claudication, leading, in her opinion, to missing significant changes.…”