Abstract
The first aim of this study was to establish which questionnaire patients with femoroacetabular impingement (FAI) most often preferred out of a set of self-reported generic and region/joint-specific outcome measures. A second aim was to evaluate their preferred type of response scale. One hundred and sixty-two consecutive FAI patients undergoing surgery (51% females, age 32 [SD 12] years, body mass index 24 [SD 4] kg/m2) completed five specific questionnaires [Hip Outcome Score (HOS), Oxford Hip Score (OHS), Hip disability and Osteoarthritis Outcome Score, self-administered Harris Hip Score and Western Ontario and McMaster Universities Arthritis Index] and three generic questionnaires (WHO Quality of Life-BREF, EuroQoL and 12-Item Short Form Survey). In addition, the patients completed the International Physical Activity Questionnaire, a questionnaire on expectation, and two sports activity scales (TEGNER and UCLA). Patients were asked to indicate the questionnaires that best reflected their situation, the most difficult to complete, and had the preferred response scale. 64% indicated a joint specific questionnaire as the one that best addressed their situation, with 27 and 20% choosing the HOS and the OHS, respectively. Most patients (62%) expressed no difficulties completing the questionnaires: just 12% considered the IPAQ difficult to complete, and 6% the HOS. The preferred response scale was the adjectival scale (57%), compared with the Numeric Rating Scale (39%) and the VAS (4%). This study showed that patients with FAI consider joint-specific instruments to be most relevant to them, in particular the HOS and OHS, and generally prefer responding on an adjectival scale.
Highlights
The use of self-report measures in orthopaedic patients is recommended for the assessment of pain and function in research and clinical routine
To the best of our knowledge, only the Hip Outcome Score (HOS) has been developed and validated in patients suffering from femoroacetabular impingement (FAI) [1], various questionnaires developed for other hip disorders have already been used and are considered valuable for use in these patients [2]
The HOS (27%), an instrument designed for FAI patients, and the Oxford Hip Score (OHS) (20%) designed for hip OA patients, were the questionnaires considered most relevant by FAI patients being the proportion of patients indicating the HOS and OHS the only ones significantly higher than the percentages expected by chance (P < 0.001 and P 1⁄4 0.038, respectively)
Summary
The use of self-report measures in orthopaedic patients is recommended for the assessment of pain and function in research and clinical routine. To the best of our knowledge, only the Hip Outcome Score (HOS) has been developed and validated in patients suffering from femoroacetabular impingement (FAI) [1], various questionnaires developed for other hip disorders (e.g. osteoarthritis) have already been used and are considered valuable for use in these patients [2]. It has been suggested that, when developing any new outcome tool, the involvement of the patients during item generation guarantees content validity of the questionnaire [3]. Patients were not involved in the item generation of any of the instruments used in previous outcome studies in FAI. To better understand whether some instruments used in the literature really address the complaints of FAI patients, this study focused on patients’ preferences
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