The impact of patient-reported outcome (PRO) data from clinical trials: a systematic review and critical analysis - Rivera, S. C.; Kyte, D. G.; Aiyegbusi, O. L.; Slade, A. L.; McMullan, C.; Calvert, M. J. (Health Qual Life Outcomes, 2019)

Patient-reported outcomes: which ones are most relevant? - Lieshout, E. M. M.; Wijffels, M. M. E. (Injury, 2020)

Klässbo M, Larsson E, Mannevik E (2003) Hip disability and osteoarthritis outcome score. An extension of the Western Ontario and McMaster Universities Osteoarthritis Index. Scandinavian J Rheumatol 32(1):46–51. https://doi.org/10.1080/03009740310000409

Knee injury and osteoarthritis outcome score (KOOS)–development of a self-administered outcome measure - Roos, E. M.; Roos, H. P.; Lohmander, L. S.; Ekdahl, C.; Beynnon, B. D. (J Orthop Sports Phys Ther, 1998)

Validation of the foot and ankle outcome score for ankle ligament reconstruction - Roos, E. M.; Brandsson, S.; Karlsson, J. (Foot Ankle Int, 2001)

Roos EM, Toksvig-Larsen S (2003) Knee injury and osteoarthritis outcome score (KOOS) - validation and comparison to the WOMAC in total knee replacement. Health Qual Life Outcomes 1:17-. https://doi.org/10.1186/1477-7525-1-17

The foot and ankle outcome score (FAOS) during early recovery after ankle fracture - Larsen, P.; Al-Bayati, M.; Elsøe, R. (Foot Ankle Int, 2021)

Knee injury and osteoarthritis outcome score (KOOS) - national record-based reference values - Larsen, P.; Rathleff, M. S.; Roos, E. M.; Elsoe, R. (Knee, 2023)

Foot and ankle outcome score (FAOS): reference values from a national representative sample - Larsen, P.; Rathleff, M. S.; Roos, E. M.; Elsoe, R. (Foot Ankle Orthop, 2023)

National population-based reference data for the hip disability and osteoarthritis outcome score (HOOS) - Larsen, P.; Rathleff, M. S.; Roos, E. M.; Elsoe, R. (Arch Orthop Trauma Surg, 2023)

Knee injury and osteoarthritis outcome score (KOOS): systematic review and meta-analysis of measurement properties - Collins, N. J.; Prinsen, C. A.; Christensen, R.; Bartels, E. M.; Terwee, C. B.; Roos, E. M. (Osteoarthritis Cartilage, 2016)

Muckelt PE, Roos EM, Stokes M, McDonough S, Grønne DT, Ewings S, et al. (2020) Comorbidities and their link with individual health status: a cross-sectional analysis of 23,892 people with knee and hip osteoarthritis from primary care. J Comorb 10:2235042x20920456. https://doi.org/10.1177/2235042x20920456

Impact of chronic diseases and multimorbidity on health and health care costs: the additional role of musculoskeletal disorders - Zee-Neuen, A.; Putrik, P.; Ramiro, S.; Keszei, A.; Bie, R.; Chorus, A. (Arthritis Care Res (Hoboken), 2016)

How do patient-reported outcome scores in international hip and knee arthroplasty registries compare? - Ingelsrud, L. H.; Wilkinson, J. M.; Overgaard, S.; Rolfson, O.; Hallstrom, B.; Navarro, R. A. (Clin Orthop Relat Res, 2022)

The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: guidelines for reporting observational studies - Elm, E.; Altman, D. G.; Egger, M.; Pocock, S. J.; Gøtzsche, P. C.; Vandenbroucke, J. P. (Intl J Surg (London, England), 2014)

The Danish civil registration system - Pedersen, C. B. (Scandinavian J Public Health, 2011)

Roos EM, Lohmander LS (2003) The knee injury and osteoarthritis outcome score (KOOS): from joint injury to osteoarthritis. Health Qual Life Outcomes 1(1):64-. https://doi.org/10.1186/1477-7525-1-64

Associations between comorbidities and immediate and one-year outcomes following supervised exercise therapy and patient education - a cohort study of 24,513 individuals with knee or hip osteoarthritis - Pihl, K.; Roos, E. M.; Taylor, R. S.; Grønne, D. T.; Skou, S. T. (Osteoarthritis Cartilage, 2021)

The Danish National Health Service Register - Andersen, J. S.; Olivarius, N. D. F.; Krasnik, A. (Scandinavian J Public Health, 2011)