• Nesly Gonzalez-Sanchez, Maria J Dura, Marta Perez-Grau, Laura Samara, John Phillips, and Francisco Larrosa.
• Department of Otorhinolaryngology-Head and Neck Surgery, Institut Clinic Especialitats Mediques i Quirurgiques, Universitat de Barcelona School of Medicine, Hospital Clinic de Barcelona, Barcelona, Spain.
• Med Clin (Barc). 2022 Dec 9; 159 (11): 536540536-540.

Background And ObjectivesThe chronic otitis media questionnaire-12 (COMQ-12) and chronic otitis media benefit inventory (COMBI) aim to assess the quality of life related to chronic otitis media or its surgical treatment. The objective of this study was to validate the Spanish adaptation of the COMQ-12 and COMBI.Patients And MethodsMulticentre prospective instrument validation study. guidelines for the cross-cultural adaptation process were followed. The psychometric properties of the Spanish versions ("COMQ-12-Spa" for "COMQ-12-Spanish" and "COMBI-Spa" for "COMBI-Spanish") were assessed in 25 consecutive adults undergoing tympanoplasty and in a separate cohort of 25 unaffected adults.ResultsCOMQ-12-Spa: test-retest reliability, r=0.98; internal consistency reliability, α=0.92. Item-subscale and item-total coefficients, ≥0.40. Between-group discrimination, p<0.0001. COMBI-Spa: internal consistency, α=0.96. A high-intensity relationship between the variables was shown, ≥0.40. Correlation between the COMBI-Spa and the Spanish Glasgow Benefit Inventory (GBI), r=0.89; p<0.01.ConclusionPsychometric testing of the Spanish versions of the COMQ-12-Spa and COMBI-Spa yielded satisfactory results, thus allowing pre- and postintervention assessment of the subjective severity of chronic otitis media in adult patients.Copyright © 2022 Elsevier España, S.L.U. All rights reserved.

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