• A Tugba Bahadir, Pinar Kuru, Ceyda Afacan, Nezih Onur Ermerak, Korkut Bostanci, and Mustafa Yuksel.
• Department of Child & Adolescent Psychiatry, Northwestern University Feinberg School of Medicine.
• Korean J Thorac Cardiovasc Surg. 2015 Apr 1;48(2):112-9.

BackgroundPectus excavatum (PE) is the most common chest wall deformity. The Nuss Questionnaire modified for Adults (NQmA) is a disease-specific health-related quality of life assessment tool for patients with pectus deformities. The aim of this study is to adapt the NQmA into Turkish.MethodsTwo hundred and sixty-five patients with PE were participated, with an age range of 14 to 29 years. All patients underwent a physical examination and had not undergone corrective surgery. The Turkish version of the NQmA was completed by patients and their parents.ResultsThe content validity index based on expert opinions was 91% for the patient questionnaire and 96% for the parent questionnaire. The Cronbach's alpha value for the NQmA was found to be 0.805 for the patient questionnaire and 0.800 for the parent questionnaire. Exploratory factor analysis was used to assess construct validity. Two factors explained 51.1% of the total variance in the patient questionnaire (psychosocial: 31.145%, Cronbach's alpha=0.818; physical: 19.955%, Cronbach's alpha=0.862). In the parent questionnaire, two factors explained 51.422% of the total variance (psychosocial: 26.097%, Cronbach's alpha=0.743; physical: 25.325%, Cronbach's alpha=0.827). Construct validity was confirmed by confirmatory factor analysis.ConclusionThe Turkish version of the NQmA was found to be valid and reliable for the assessment of quality of life in patients with PE.

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