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Updated: May 11, 2026

Fu's Subcutaneous Needling for Knee Osteoarthritis Pain
07:19

Fu's Subcutaneous Needling for Knee Osteoarthritis Pain

Published on: March 24, 2023

Development of the Knee Numeric-Entity Evaluation Score (KNEES-ACL): a condition-specific questionnaire.

J D Comins1, M R Krogsgaard, J Brodersen

  • 1Section for Sports Traumatology, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg, Copenhagen, Denmark; Research Unit and Section of General Practice, Institute of Public Health, University of Copenhagen, Copenhagen, Denmark.

Scandinavian Journal of Medicine & Science in Sports
|May 21, 2013
PubMed
Summary

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Knee Joint01:23

Knee Joint

The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...

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Researchers developed a new patient-reported outcome measure (PROM) for anterior cruciate ligament (ACL) deficiency. This 55-item instrument, validated by patients, assesses treatment effects and has face and content validity.

Area of Science:

  • Orthopedics
  • Rehabilitation Medicine
  • Patient-Reported Outcomes

Background:

  • Patient-related outcome measures (PROMs) are crucial for evaluating treatment efficacy in anterior cruciate ligament (ACL) deficiency.
  • Ensuring the relevance and comprehensiveness of PROM items requires patient input for content validity.

Purpose of the Study:

  • To construct a condition-specific PROM for patients with ACL deficiency.
  • To ensure the developed PROM possesses face and content validity through patient-centered methods.

Main Methods:

  • Conducted focus groups and interviews with patients pre- and post-ACL reconstruction.
  • Utilized 157 items from a literature search as a basis for content generation.
  • Achieved content saturation through three focus groups and seven interviews.
Keywords:
ICFPROManterior cruciate ligamentcontent validity

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Main Results:

  • Assembled a 55-item pilot PROM with six conceptual domains.
  • Thirty-eight items from the literature search were directly endorsed by patients.
  • Identified 12 new item themes with verbatim patient content, along with five modified items.

Conclusions:

  • A condition-specific PROM for ACL deficiency has been successfully constructed.
  • The developed instrument demonstrates face and content validity.
  • Future steps include a pilot survey to assess psychometric properties using Rasch measurement theory.