ArticleJournal of athletic training2024
Individuals with patellofemoral pain have impaired self-reported and performance-based function: Systematic review with meta-analysis and meta-regression.
Article in Journal of athletic training, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
2 citing papers in PubMed.
- Is outcome observed in performance of clinical tests associated with patient-reported outcome measures after patellofemoral pain treatment? Secondary analysis of data from a randomized clinical trial.Brazilian journal of physical therapyTrial
- eArly phySical therApy Program for PatelloFemoral Pain (ASAP-PFP trial): protocol for a triple-blinded, superiority, parallel-group, multicentre trial.BMJ open sport & exercise medicine · 2026Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo determine impairments on self-reported/performance-based function in individuals with patellofemoral pain (PFP) as well as physical and non-physical factors potentially related with these impairments. DATA SOURCES: We searched MEDLINE, Embase, CINAHL, Web of Science, and SPORTDiscus databases from inception until January 2024. STUDY SELECTION: We included studies comparing self-reported/performance-based measures of function between individuals with PFP and their pain-free limbs or pain-free individuals. DATA EXTRACTION: Two independent researchers extracted the key information from each study. DATA SYNTHESIS: We performed meta-analyses for each self-reported/performance-based measure of function and meta-regressions to identify factors that might explain meta-analyses outcomes. We assessed the certainty of evidence using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE). We included 83 studies (2807 individuals with PFP and 2518 pain-free individuals). We identified very low to high certainty evidence that individuals with PFP have reduced self-reported (large effect sizes, standardized mean difference [SMD], -1.99; 95% confidence interval [CI]:-2.41,-1.57 to SMD, -4.87; 95% CI:-6.97,-2.77) and performance-based (small to large effect sizes: SMD, -.30; 95% CI:-.58, -.02 to SMD, -1.21; 95% CI:-2.71, -.29) measures of function compared to pain-free individuals, but there are no differences between limbs in individuals with unilateral PFP for the most of performance-based measures of function (small to moderate effect sizes, SMD, -.20; 95% CI:-.68, .27 to SMD, -.49; 95% CI:-1.02, .03). Age, body mass index, duration of symptoms and self-reported pain did not significantly explain self-reported function, whereas age did not significantly explain performance-based function (R2 25 <.01 to .02, p =.145 to .914).
conclusionOur results highlight the negative impact of PFP on self-reported and performance- based function, which seems to also affect the pain-free limb. Self-reported and performance- based measures of function should be considered when assessing individuals with PFP. None of the factors investigated explained impaired self-reported and performance-based function.
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