BackgroundCleft lip and/or palate (CL/P) is a common congenital craniofacial anomaly that may negatively affect an individual’s appearance, health-related quality of life, or speech. In Spain, Colombia, and Chile the overall prevalence of CL/P ranges from 0.53 to 1.59 cases per 1000 live births. Currently, there is no patient-reported outcome (PRO) instrument that is specific for patients with CL/P. The CLEFT-Q is a new PRO instrument developed to measure outcomes of treatment in patients 8 to 29 years of age with CL/P. The aim of this study was to translate and culturally adapt the CLEFT-Q for use in Colombia, Chile, and Spain.MethodsThe CLEFT-Q was translated from English to 3 Spanish language varieties (Colombian, Chilean, and Spanish (Spain)) and Catalan. Translation and cultural adaptation guidelines set forth by the International Society for Pharmacoeconomics and Outcomes Research were followed.ResultsThe field- test version of the CLEFT-Q consisted of 13 scales (total 154 items) measuring appearance, health-related quality of life, and facial function. Forward translations revealed 10 (7%) items that were difficult to translate into Chilean, and back translations identified 34 (22%) and 21 (13%) items whose meaning differed from the English version in at least 1 of the 3 Spanish varieties and Catalan respectively. Twenty-one participants took part in cognitive debriefing interviews. Participants were recruited from plastic surgery centres in Bogotá, Colombia (n = 4), Santiago, Chile (n = 7), and Barcelona, Spain (n = 10). Most participants were males (n = 14, 67%) and were diagnosed with CL/P (n = 17, 81%). Participants reported difficulty understanding 1 item in the Colombian, 1 item in the Spanish (Spain), and 11 items from the Catalan version. Comparison of the 3 Spanish varieties revealed 61 (40%) of the 154 items whose wording differed across the 3 Spanish versions.ConclusionTranslation and cultural adaptation processes provided evidence of transferability of the CLEFT-Q scales into 3 Spanish varieties and Catalan, as semantic, idiomatic, experiential, and conceptual equivalence of the items, instructions, and response options were achieved.Electronic supplementary materialThe online version of this article (10.1186/s12955-017-0805-7) contains supplementary material, which is available to authorized users.
Background: Measuring the patient perspective is important in evaluating outcomes of cleft care. Understanding how treatment outcomes vary depending on cleft type may allow for better planning of treatments, setting of expectations, and more accurate benchmarking efforts. The CLEFT-Q is a patient-reported outcome measure for patients with cleft lip and/or palate. Methods: The 12 CLEFT-Q scales measuring appearance (i.e., face, nose, nostrils, lips, cleft lip scar, teeth, and jaws), function (i.e., speech), and health-related quality of life (i.e., psychological, school, social, and speech-related distress) were field tested in a cross-sectional study in 30 centers in 12 countries. Patients with cleft lip and/or cleft palate aged 8 to 29 years were recruited from clinical settings. Differences in CLEFT-Q scores by cleft subtypes were evaluated using one-way analysis of variance or Kruskal-Wallis H tests, with Tukey or Dunn procedure with Bonferroni corrections post hoc analyses, respectively. Scores are presented using radar charts to visualize all outcomes simultaneously. Results: The field test included 2434 patients. Scores on all CLEFT-Q scales varied significantly with cleft subtype. Patients with unilateral or bilateral cleft lip and/or palate scored lower on all appearance scales compared with patients with cleft palate or unilateral incomplete cleft lip. Scores on the speech function and speech-related distress scales decreased with each progressive group in the Veau classification. Patients with complete bilateral cleft lip and palate scored lowest on the social, school, and psychological scales. Conclusions: Patient-reported outcomes measured with the CLEFT-Q vary significantly with cleft type. Visualizing multiple outcomes simultaneously with radar charts allows for an understanding of a patient’s overall status in a single graph.
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