Research article
Clinical features of symptomatic patellofemoral joint osteoarthritis
Arthritis Research UK Primary Care Centre, Primary Care Sciences, Keele University, Keele, Staffordshire ST5 5BG, UK
Arthritis Research & Therapy 2012, 14:R63 doi:10.1186/ar3779
Published: 14 March 2012Additional 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'.
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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
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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
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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
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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.
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