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  • Title: Validity of a Chinese version of the Mini Asthma Quality of Life Questionnaire (MiniAQLQ) and a comparison of completion by patients and relatives.
    Author: Qu Y, Zhang C, Gao W, Ning Y, Chen R, Zhang S, Sun Y, Shang Y, Bai C.
    Journal: J Asthma; 2018 Mar; 55(3):330-336. PubMed ID: 28562157.
    Abstract:
    OBJECTIVE: To test the psychometric properties of the Chinese version of the Mini Asthma Quality of Life Questionnaire (MiniAQLQ) and to investigate the differences between the MiniAQLQ completed by patients (p-MiniAQLQ) and by their relatives (r-MiniAQLQ). METHODS: One hundred and two asthmatic patients and 45 relatives were recruited. The reliability was evaluated using Cronbach's alpha and intraclass correlation coefficient (ICC). The validity of the MiniAQLQ was assessed by comparing it with the Sydney Asthma Quality of Life Questionnaire (AQLQ-S) and lung function measurements. The mean quality of life scores were compared by gender and smoking history, and the p-MiniAQLQ scores were then compared with the r-MiniAQLQ scores. RESULTS: The MiniAQLQ showed high internal consistency (Cronbach's alpha = 0.901) and a high two-week reproducibility (ICC = 0.863). The cross-sectional correlations between the MiniAQLQ and the AQLQ-S were strong. Correlations between the MiniAQLQ and lung function (predicted FEV1% and PEF) ranged from poor to weak at the total or domain levels. The MiniAQLQ scores were not significantly associated with gender or smoking history. There was poor agreement between the p-MiniAQLQ and r-MiniAQLQ scores at the total or domain levels. CONCLUSIONS: The Chinese version of the MiniAQLQ showed good reliability and validity. It is reliable for evaluating the impact of asthma on patients' quality of life. Relatives of the patients did not have a comprehensive grasp of the patients' conditions. Physicians should be cautious when patients' relatives come to the hospital to seek a modified treatment when the patients are not present.
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