Email updates

Keep up to date with the latest news and content from Arthritis Research & Therapy and BioMed Central.

Open Access Highly Accessed Research article

Clinical features of symptomatic patellofemoral joint osteoarthritis

George Peat*, Rachel C Duncan, Laurence RJ Wood, Elaine Thomas and Sara Muller

Author Affiliations

Arthritis Research UK Primary Care Centre, Primary Care Sciences, Keele University, Keele, Staffordshire ST5 5BG, UK

For all author emails, please log on.

Arthritis Research & Therapy 2012, 14:R63  doi:10.1186/ar3779

Published: 14 March 2012

Additional files

Additional file 1:

Descriptive characteristics and univariable analysis: 'any OA'. Full descriptive characteristics and pairwise univariable comparison of participants with no radiographic OA, isolated patellofemoral joint OA, isolated tibiofemoral joint OA, or combined patellofemoral/tibiofemoral joint OA, using the less stringent cut-off of 'any OA'.

Format: PDF Size: 119KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data

Additional file 2:

Content and performance of multivariable models: 'any OA'. Full reporting, including posterior probability distributions, of the multivariable binary logistic regression models for each pairwise comparison of participants with no radiographic OA, isolated patellofemoral joint OA, or combined patellofemoral/tibiofemoral joint OA, using the less stringent cut-off of 'any OA'.

Format: PDF Size: 110KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data

Additional file 3:

Descriptive characteristics and univariable analysis: 'moderate to severe OA'. This file provides the full descriptive characteristics and pairwise univariable comparison of participants with (1) no radiographic OA, (2) isolated patellofemoral joint OA, isolated tibiofemoral joint OA, or combined patellofemoral/tibiofemoral joint OA, using the more stringent cut-off of 'moderate to severe OA'.

Format: PDF Size: 175KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data

Additional file 4:

Content and performance of multivariable models: 'moderate to severe OA'. Full reporting, including posterior probability distributions, of the multivariable binary logistic regression models for each pairwise comparison of participants with no radiographic OA, isolated patellofemoral joint OA, isolated tibiofemoral joint OA, or combined patellofemoral/tibiofemoral joint OA, using the more stringent cut-off of 'moderate to severe OA'.

Format: PDF Size: 162KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data

Additional file 5:

Sensitivity analysis of the association between varus/valgus malalignment and pattern of joint involvement: 'moderate to severe OA'. Demonstration of the strengthening of association between malalignment and pattern of joint involvement when using compartment-specific definitions.

Format: PDF Size: 59KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data