(110) Impact of Pain Severity among Patients with Osteoarthritis on Healthcare Use in the United States

Osteoarthritis (OA) is the leading cause of disability in older adults. Total healthcare costs tend to rise as pain severity associated with OA increases. To understand treatment and healthcare resource utilization (HCRU) by OA pain severity, data were collected from Feb-May 2017 using US Adelphi Disease Specific Programme, a cross-sectional survey of primary care physicians, rheumatologists, orthopedists and their patients. Descriptive statistics were used and all data were analysed using SPSS v6 and Stata v14.1. A total of 841 patients seeking care for OA were included. Patient-reported pain severity (Numeric Rating Scale; 0-10) over the last week was categorized as none/mild (45.4%; 0-3), moderate (35.9%, 4-6) and severe (18.7%; 7-10) pain. The majority of patients were female (61%) and white (78%) and the average age was 64.6 years. Increased pain severity was associated with a higher Body Mass Index and increased reliance on walking aids (21%, 38%, 47%), modifications to home (9%, 19%, 31%), and need for caregivers (5%, 14%, 31%) (all p