Patient-Reported Outcome Measures for the Knee

Wang, Dean; Jones, Morgan H.; Khair, M. Michael; Miniaci, Anthony

doi:10.1055/s-0030-1268691

Cited by 116 publications

(99 citation statements)

References 64 publications

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“…In terms of study design, the next study ought to randomize a strictly end-stage osteoarthritis patient group, with clear description of surgical procedure regarding the infrapatellar fat pad, blinding of patient and clinical outcome assessors, and no selective cointerventions (such as patellar resurfacing or the lack thereof). Anterior knee pain should be evaluated using standardized clinical outcome measurement tools, such as the Knee Injury Osteoarthritis Outcome Score or Kujala anterior knee pain score [9].…”

Section: Where Do We Need To Go?mentioning

confidence: 99%

CORR Insights®: The Effect of Infrapatellar Fat Pad Excision on Complications After Minimally Invasive TKA: A Randomized Controlled Trial

Bos

2013

Clin Orthop Relat Res

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Section: Where Do We Need To Go?mentioning

confidence: 99%

CORR Insights®: The Effect of Infrapatellar Fat Pad Excision on Complications After Minimally Invasive TKA: A Randomized Controlled Trial

Bos

2013

Clin Orthop Relat Res

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“…Many different measures have been advocated to gauge the effectiveness of TKA and to assess variations in clinical pathways, patient selection, surgical approaches, and different implant designs [3,6,9,21,22,30,37,39,48 and references therein]. Because these outcome measurements inform fundamental decisions concerning the efficacy and quality of patient care, it is imperative that these tools be free of biases that could lead to inaccurate estimates of treatment effects.…”

Section: Introductionmentioning

confidence: 99%

“…The lack of effect may be the result of failure of the measure to capture a treatment effect that truly exists or be indicative of the limited treatment itself. This distinction cannot be made without investigating the psychometric properties of the measurement tools; however, few tools, especially those that are patient-reported, have been subjected to comprehensive evaluation [9,48]. The steps that have been completed to date for various tools vary, and further testing is necessary to inform both clinicians and researchers in selecting the most appropriate instrument for a particular purpose.…”

Section: Introductionmentioning

confidence: 99%

Statistical Considerations in the Psychometric Validation of Outcome Measures

Sikorskii

Noble

2013

Clinical Orthopaedics &Amp; Related Research

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Background The evaluation of the outcomes of total knee arthroplasty requires measurement tools that are valid, reliable, and responsive to change. However, the accuracy of any outcome measurement is determined by the validity and reliability of the instrument used. To ensure this accuracy, it is imperative that each instrument used in orthopaedics is free of biases leading to inaccurate estimates of treatment effects. Where are we now? Many patient-derived outcome instruments have been developed and tested through the application of the standard assessments that form the basis of classical test theory: validity, reliability, and responsiveness. These assessments determine if the instrument reliably measures what it is intended to measure, and if it captures differences among groups of patients or changes over time.

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“…However, patient's self-reported knee pain and functional impairment, despite subjectivity, often are considered the primary indicators of disease severity. Numerous scales have been developed for quantifying patient-reported measures in knee OA, with different validity and reliability values [72]. Efforts are underway by organizations such as OARSI and OMERACT to determine the appropriate outcome measures for use in clinical trials, and for treatment decision-making [25].…”

Section: Introductionmentioning

confidence: 99%

Are Joint Structure and Function Related to Medial Knee OA Pain? A Pilot Study

Zifchock

Kirane

Hillstrom

2011

Clinical Orthopaedics &Amp; Related Research

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Background Although the severity of knee osteoarthritis (OA) usually is assessed using different measures of joint structure, function, and pain, the relationships between these measures are unclear. Purpose Therefore, we: (1) examined the relationships between the measures of knee structure (flexion-extension range of motion, radiographic tibiofemoral angle, and medial joint space), function (Knee Osteoarthritis Outcome Scores [KOOS], peak adduction angle, and moment), and pain (visual analog scale [VAS]); and (2) identified variables that best predicted knee pain. Methods We assessed 15 patients with medial knee OA using VAS pain, KOOS questionnaire, 3-D gait analysis, and radiographic examination. Parameter relationships were assessed using Pearson correlation, and variables most predictive of knee pain were determined using a stepwise multiple regression. Results Subjective measurements correlated (|r| C 0.54) with one another, as did most of the objective measurements (|r| C 0.56) except for adduction moment which did not correlate with any variable. All variables correlated (|r| [ 0.54) with VAS knee pain except peak adduction moment. Medial joint space and peak adduction angle best predicted knee pain, accounting for approximately threequarters of the model variance (r 2 = 0.73).

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Patient-Reported Outcome Measures for the Knee

Cited by 116 publications

References 64 publications

CORR Insights®: The Effect of Infrapatellar Fat Pad Excision on Complications After Minimally Invasive TKA: A Randomized Controlled Trial

CORR Insights®: The Effect of Infrapatellar Fat Pad Excision on Complications After Minimally Invasive TKA: A Randomized Controlled Trial

Statistical Considerations in the Psychometric Validation of Outcome Measures

Are Joint Structure and Function Related to Medial Knee OA Pain? A Pilot Study

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