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Psychometric properties of the Arabic version of the Forgotten Joint Score usage in total hip arthroplasty
Waleed Albishi1, Nasser M AbuDujain2, Orfan Arafah1
1Department of Orthopedic Surgery, College of Medicine, King Saud University, Riyadh, SA, Saudi Arabia.
Background:
The ultimate goal of arthroplasty is thought to be the ability to "forget" a joint implant in daily activities. The Forgotten Joint Score (FJS-12), a score system that evaluates how much patients have been able to forget their hip or knee prosthesis, was recently published. It is based on a self-administered questionnaire that consists of 12 items. The major goal of the current study was to validate, adapt, and evaluate a Arabic-language FJS-12 (Ar-FJS-12) version in patients who had undergone total hip replacement (THA).
Materials And Methods:
The study included 107 patients who underwent THA 1-5 years ago and completed the Ar-FJS. The construct validity of the study was evaluated using the reduced Western Ontario and McMaster Universities Osteoarthritis Index (rWOMAC). To assess the test-retest reliability, 72 people took the Ar-FJS test twice.
Results:
Cronbach's alpha (Internal Consistency) of the Ar-FJS-12 was 0.957 and the intraclass correlation coefficient (ICC) was 0.931 indicating high reliability. For construct validity, there was a moderate significant correlation between the Arabic the rWOMAC with r = 0.595. The ceiling effect was 1.9% (n = 2), whereas the floor effect was 1.9% (n = 2).
Conclusion:
The Arabic version of the FJS-12 valid, reliable tool and can be recommended for patients in Arabic-speaking communities who have undergone hip arthroplasty.
Level Of Evidence:
III, validity and reliability study.
