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Patellofemoral Joint Pain: Sensitivity and Specificity

Introduction: None written.

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Differential Diagnoses include: Patellar Tendiopathy

The sensitivity and specificity of findings for Patellofemoral Joint Pain are listed below. See the left navigation bar to change the display.

Pre-Test Probability (Prevalence): %.	Post-Test Probability (Predictive Value): %.	Switch to display mode.
Note that calculating probabilities from more than one** finding is inherently inaccurate because findings are not independent. (For example, using two positive findings that share a common pathogenesis is likely to overestimate the true probability.)

Sensitive Findings
Finding	Result	Sensitivity	Specificity
[ + ] Pain with squatting	+ 0 -	92.7%	48.5%
Differential Diagnosis: Patellar Tendiopathy Study: https://www.jospt.org/doi/pdf/10.2519/jospt.2019.0302

Poorly Diagnostic Findings
Finding	Result	Sensitivity	Specificity
[ + ] Pain with stair climbing	+ 0 -	84.8%	43.5%
Study: https://www.jospt.org/doi/pdf/10.2519/jospt.2019.0302