Exercise and Patient Education for Patients With Lateral Hip Pain

This study protocol describes an interventional pragmatic prospective single-group cohort study, where the primary endpoint is change in hip pain measured with the revised HAGOS pain subscale following a 12 week intervention. Throughout the 12 weeks, eight physiotherapist-led exercise sessions will take place at Horsens Regional Hospital (HRH). Further, at the sessions at HRH patient education will be performed by the supervising physiotherapist. The first supervised sessions will be performed in continuation of the baseline assessment. The patients will be instructed to do the exercises daily at home in the time period between the physiotherapist-led sessions.

The primary aim is to investigate changes in patient-reported hip pain based on the subscale "pain" from the revised Copenhagen Hip And Groin Outcome Score (HAGOS) from baseline to 12 week follow-up.

It is hypothesized that the revised HAGOS pain score will improve from baseline to 12 week follow-up.

Secondarily explorative subgroup analyses regarding whether patients with different MRI findings, pain profiles, age, sex and body mass index (BMI) respond differently to the intervention, will be performed.

All outcomes conducted will be published. That is, patient-reported outcomes, muscle strength, functional capacity and adherence to the exercise protocol.

A full study protocol will be published and made available.

• Changes in patient-reported symptoms measured with the revised Copenhagen Hip And Groin Outcome Score (HAGOS) (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes in patient-reported physical function in daily living (ADL) measured with the revised Copenhagen Hip And Groin Outcome Score (HAGOS) (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes in patient-reported physical function in sport and recreational activities (sport/recreation) measured with the revised Copenhagen Hip And Groin Outcome Score (HAGOS) (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes in patient-reported participation in physical activities (PA) measured with the revised Copenhagen Hip And Groin Outcome Score (HAGOS) (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes in patient-reported quality of life (QOL) measured with the revised Copenhagen Hip And Groin Outcome Score (HAGOS) (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes in the patient-reported outcome measure Oxford Hip Score (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes in the patient-reported outcome measure EQ-5D-5L (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Global Rating of Change (GRoC) [Time frame: The outcome is conducted at 6-week and 3-months follow-up.]
• Lateral hip pain on a numerical pain rating scale (NRS) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes in the patient-reported outcome measure The Victorian Institute of Sport Assessment-Gluteal Questionnaire (VISA-G) (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes of maximal isometric hip abduction muscle strength (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]
• Changes of maximal isometric hip adduction muscle strength (continuous data) [Time frame: From baseline to 3 months follow-up. The outcome is also conducted at 6-week follow-up.]