• Manuel Ramírez Valencia, Sleiman Haddad, Alba Pons Carreto, García de FrutosAnaASpine Unit, Orthopedic Department, Vall d'Hebron Hospital Paseo Vall d'Hebron, Barcelona, Spain., Susana Nuñez-Pereira, and Ferran PelliséUrquiza.
• Spine Unit, Orthopedic Department, Vall d'Hebron Hospital Paseo Vall d'Hebron, Barcelona, Spain.
• Spine. 2024 Mar 1; 49 (5): E50E57E50-E57.

Study DesignTranslation and psychometric testing of a questionnaire.ObjectiveTranslation, adaptation, and validation of the Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ) to the Spanish language.Summary Of Background DataDegenerative cervical myelopathy (DCM) has a clear impact on quality of life (QoL). The JOACMEQ is a self-administered questionnaire used to assess DCM-related disability and its impact on QoL. It is compound of five domains: Cervical Function, Upper Extremity Function, Lower Extremity Function, Blader Function, and QoL. Despite its increasing use, the JOACMEQ has not yet been translated and validated for Spanish-speaking patients.MethodsA total of 180 patients completed the Spanish version. Of these, 145 (80%) had DCM (mean age: 62.53; SD: 9.92), while 35 had neck pain without DCM (age: 52.71; SD: 10.29). The psychometric properties measured were construct validity, internal consistency, reproducibility, concurrent validity, and discriminatory ability.ResultsWe recruited 145 patients with DCM (mean age: 62.5) and 35 with cervical pain (mean age: 52.7). After factor analysis, our data showed very strong construct validity, with questions strongly loaded and clustered for five factors. Internal consistency proved high (Cronbach's α coefficient of 0.912). The intraclass correlation coefficient showed very good reproducibility for all domain (intraclass correlation coefficient range between 0.85 and 0.95). A high correlation between the JOACMEQ QoL domain and neck disability index was also found (Spearman's ρ=-0.847, P <0.01) confirming concurrent validity. The receiver operating characteristic curves proved to be significant in the upper (area under the curve=0.65, P =0.006) and lower (area under the curve=0.661, P =0.003) extremities, confirming discriminatory ability.ConclusionsOur proposed Spanish version of the JOACMEQ retains the psychometric characteristics of the original JOACMEQ and could prove useful for the evaluation of patients with DCM in Spanish-speaking countries.Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.

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