Journal article

Factors that predict a poor outcome 5-8 years after the diagnosis of patellofemoral pain: a multicentre observational analysis

NE Lankhorst, M van Middelkoop, KM Crossley, SMA Bierma-Zeinstra, EHG Oei, B Vicenzino, NJ Collins

BRITISH JOURNAL OF SPORTS MEDICINE | BMJ PUBLISHING GROUP | Published : 2016

Abstract

BACKGROUND: Patellofemoral pain (PFP) has traditionally been viewed as self-limiting, but recent studies show that a large proportion of patients report chronic knee pain at long-term follow-up. We identified those patients with an unfavourable recovery ('moderate improvement' to 'worse than ever' measured on a Likert scale) and examined whether there is an association between PFP and osteoarthritis (OA) at 5-8-year follow-up. METHODS: Long-term follow-up data were derived from 2 randomised controlled trials (n=179, n=131). Patient-reported measures were obtained at baseline. Pain severity (100 mm visual analogue scale (VAS)), function (Anterior Knee Pain Scale (AKPS)) and self-reported reco..

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University of Melbourne Researchers

Grants

Awarded by Commonwealth of Australia National Health and Medical Research Council Program


Awarded by Netherlands Organisation for Health Research and Development (ZON-MW)


Awarded by ReumaFonds


Funding Acknowledgements

The Australian long-term follow-up was funded by Commonwealth of Australia National Health and Medical Research Council Program Grant #631717. The Dutch long-term follow-up was funded by The Royal Dutch Society for Physical Therapy (KNGF)/WCF and The Netherlands Organisation for Health Research and Development (ZON-MW) (project number: 945-04-356) and partly funded by a programme grant of the Dutch Arthritis Foundation.