The development and validation of an appraisal method for rotator cuff disorders: The Korean Shoulder Scoring System

Suk Kee Tae, Yong Girl Rhee, Tae Soo Park, Kwang Won Lee, Jin Young Park, Chang Hyuk Choi, Sang Hun Koh, Joo Han Oh, Soung Yon Kim, Sang Jin Shin

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Hypothesis: The purpose of this study was to develop and validate a disease-specific appraisal method for patients with rotator cuff disorders. The Korean Shoulder Scoring System (KSS) includes 5 domains totalling 100 points: function, 30 points; pain, 20; satisfaction, 10; range of motion, 20; and muscle power, consisting of strength, 10; and endurance, 10. Method: The KSS was used to evaluate clinical outcomes of 430 patients with rotator cuff disorder for a period of 6 months postoperatively. Result: The KSS had an acceptable level of internal consistency (α = 0.840). The KSS scores also correlated strongly with the Constant scores (r = 0.802), but less so with the American Shoulder and Elbow Surgeons scores (r = 0.602) and the University of California Los Angeles shoulder scores (r = 0.573). A large effect size (r = 1.234) and a standardized response mean (r = 1.317) for KSS were evident at 6 months postoperatively. Conclusion: The KSS is a useful measurement tool that combines subjective and objective evaluations for shoulder function related to rotator cuff disorders.

Original languageEnglish
Pages (from-to)689-696
Number of pages8
JournalJournal of Shoulder and Elbow Surgery
Volume18
Issue number5
DOIs
StatePublished - Sep 2009

Keywords

  • evaluation
  • Korean Shoulder Scoring System
  • rotator cuff disorders
  • shoulder function

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