Thai Version of the Kujala Patellofemoral Questionnaire in Knee Pain Patients: Cross-Cultural Validation and Test-Retest Reliability

Sakunkaruna, S.; Sakunkaruna, Y.; Sakulsriprasert, P.

Journal of the Medical Association of Thailand 98 Suppl. 5: S81-S85


ISSN/ISBN: 0125-2208
PMID: 26387416
Document Number: 16897
To conduct a cross-cultural adaptation and determine the test-retest reliability of the Thai version of the Kujala Patellofemoral questionnaire (KPQ). The present study comprised two phases: cross-cultural adaptation and test-retest reliability. The KPQ was first translated and cross-culturally adaptedfrom English to Thai. The content validity test was conducted, and the final version of the Thai version of Kujala Patellofemoral Questionnaire was developed. Forty knee pain patients were enrolled in this study to determine test-retest reliability ofthe final version ofthis questionnaire. All 40 subjects were patients from the Physical Therapy Center; Faculty ofPhysical Therapy, Mahidol University with a diagnosis of anterior knee pain by physical therapists. They were asked to complete the questionnaires; the 1st session after registration and 2,d session 30 minutes afterfinishing thefirst administration. For statistical analysis, the intraclass correlation coefficient (ICCa") method was used to determine test-retest reliability. All 40 subjects (36 women, 4 men; with age range 18-56 years) were assessed twice with 30-minute time interval. Thirteen questions indicated strong reliability, ranging from ICC2, 0.8 to 1.0 and the total score was ICC2, 0.98. The Thai version of the Kujala Patellofemoral Questionnaire was cross-culturally adapted, validated, and presented with excellent test-retest reliability. Regarding clinical implication, this questionnaire is now available for Thai physical therapists in evaluating Thai knee pain patients.

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