Patient-reported outcomes and joint status across subgroups of US adults with hemophilia with varying characteristics: Results from the Pain, Functional Impairment, and Quality of Life (P-FiQ) study

Introduction: Pain and functional impairment associated with joint disease are major problems for people with hemophilia, and impact on health-related quality of life (HRQoL) may vary across groups defined by demographic and treatment-related characteristics. Objective: To evaluate differences in overall HRQoL, pain, function, and joint status between P-FiQ study subgroups. Methods: Adult males with hemophilia and a history of joint pain/bleeding completed a pain history and the patient-reported outcome instruments EQ-5D-5L, Brief Pain Inventory v2 Short Form (BPI), International Physical Activity Questionnaire (IPAQ), and Hemophilia Activities List (HAL); optionally, joint status was assessed (Hemophilia Joint Health Score v2.1 [HJHS]). Scores were analyzed between subgroups across sets of participant characteristics. Results: A total of 381 adult males with hemophilia were enrolled, with median age of 34 years. Worse scores on EQ-5D-5L index, BPI pain severity/interference, HAL overall score, and HJHS were generally associated with being college educated, unemployment, self-reporting both acute and chronic pain, and self-reporting anxiety/depression. Conclusions: Measures of joint status and HRQoL were consistently lower in participants who had higher educational levels, were unemployed, self-reported having both acute and chronic pain, and self-reported having anxiety/depression. A greater understanding of the association of these factors with disease outcomes may improve individualized patient management.