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Clinical Orthopaedics and Related Research®

Erschienen in:

01.01.2012 | Symposium: Papers Presented at the Annual Meetings of The Knee Society

Development of a New Knee Society Scoring System

verfasst von: Philip C. Noble, PhD, Giles R. Scuderi, MD, Adam C. Brekke, BA, Alla Sikorskii, PhD, James B. Benjamin, MD, Jess H. Lonner, MD, Priya Chadha, MD, Daniel A. Daylamani, BS, W. Norman Scott, MD, Robert B. Bourne, MD, FRCSC

Erschienen in: Clinical Orthopaedics and Related Research® | Ausgabe 1/2012

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Abstract

Background

The Knee Society Clinical Rating System was developed in 1989 and has been widely adopted. However, with the increased demand for TKA, there is a need for a new, validated scoring system to better characterize the expectations, satisfaction, and physical activities of the younger, more diverse population of TKA patients.

Questions/purposes

We developed and validated a new Knee Society Scoring System.

Methods

We developed the new knee scoring system in two stages. Initially, a comprehensive survey of activities was developed and administered to 101 unilateral TKA patients (53 women, 48 men). A prototype knee scoring instrument was developed from the responses to the survey and administered to 497 patients (204 men, 293 women; 243 postoperatively, 254 preoperatively) at 15 medical institutions within the United States and Canada. Objective and subjective data were analyzed using standard statistical and psychometric procedures and compared to the Knee Injury and Osteoarthritis Score and SF-12 scores for validation. Based on this analysis, minor modifications led to the new Knee Society Scoring System.

Results

We found the new Knee Society Scoring System to be broadly applicable and to accurately characterize patient outcomes after TKA. Statistical analysis confirmed the internal consistency, construct and convergent validity, and reliability of the separate subscale measures.

Conclusions

The new Knee Society Scoring System is a validated instrument based on surgeon- and patient-generated data, adapted to the diverse lifestyles and activities of contemporary patients with TKA. This assessment tool allows surgeons to appreciate differences in the priorities of individual patients and the interplay among function, expectation, symptoms, and satisfaction after TKA.

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Titel: Development of a New Knee Society Scoring System
verfasst von: Philip C. Noble, PhD
Giles R. Scuderi, MD
Adam C. Brekke, BA
Alla Sikorskii, PhD
James B. Benjamin, MD
Jess H. Lonner, MD
Priya Chadha, MD
Daniel A. Daylamani, BS
W. Norman Scott, MD
Robert B. Bourne, MD, FRCSC
Publikationsdatum: 01.01.2012
Verlag: Springer-Verlag
Erschienen in: Clinical Orthopaedics and Related Research® / Ausgabe 1/2012
Print ISSN: 0009-921X
Elektronische ISSN: 1528-1132
DOI: https://doi.org/10.1007/s11999-011-2152-z

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