Interpretation threshold values for patient-reported outcomes in patients participating in a digitally delivered first-line treatment program for hip or knee osteoarthritis

Autor: Anna Cronström, Lina H. Ingelsrud, Håkan Nero, L Stefan Lohmander, Majda Misini Ignjatovic, Leif E. Dahlberg, Ali Kiadaliri
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Osteoarthritis and Cartilage Open, Vol 5, Iss 3, Pp 100375- (2023)
Druh dokumentu: article
ISSN: 2665-9131
DOI: 10.1016/j.ocarto.2023.100375
Popis: Objective: Establish proportions of patients reporting important improvement, acceptable symptoms and treatment failure and define interpretation threshold values for pain, patient-reported function and quality-of-life after participating in digital first-line treatment including education and exercise for hip and knee osteoarthritis (OA). Methods: Observational study. Responses to the pain Numeric Rating Scale (NRS, 0–10 best to worst), Knee injury and Osteoarthritis Outcome Score 12 (KOOS-12) and Hip disability and Osteoarthritis Outcome Score 12 (HOOS-12, both 0–100 worst to best) were obtained for 4383 (2987) and 2041 (1264) participants with knee (hip) OA at 3 and 12 months post intervention. Threshold values for Minimal Important Change (MIC), Patient Acceptable Symptom State (PASS) and Treatment Failure (TF) were estimated using anchor-based predictive modeling. Results: 70–85% reported an important improvement in pain, function and quality of life after 3 and 12 months follow-up. 42% (3 months) and 51% (12 months) considered their current state as satisfactory, whereas 2–4% considered treatment failed. MIC values were −1 (NRS) and 0–4 (KOOS/HOOS-12) across follow-ups and joint affected. PASS threshold value for NRS was 3, and 53–73 for the KOOS/HOOS-12 subscales Corresponding values for TF were 5 (NRS) and 34–55 (KOOS/HOOS-12). Patients with more severe pain at baseline had higher MIC scores and accepted poorer outcomes at follow-ups. Conclusion: Threshold estimates aid in the interpretation of outcomes after first-line OA interventions assessed with NRS Pain and KOOS/HOOS-12. Baseline pain severity is important to consider when interpreting threshold values after first-line interventions in these patients.
Databáze: Directory of Open Access Journals