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  • Title: [Validation of the chronic respiratory questionnaire in Chilean patients with chronic airflow limitation].
    Author: Serón P, Riedemann P, Sanhueza A, Doussoulin A, Villarroel P.
    Journal: Rev Med Chil; 2003 Nov; 131(11):1243-50. PubMed ID: 14743684.
    Abstract:
    BACKGROUND: Chronic respiratory diseases are an important problem in Chile, causing disability and worsening the quality of life. AIM: To validate the Spanish version of the Chronic Respiratory Questionnaire (CRQ) to be used in Chilean population. MATERIAL AND METHODS: The CRQ was applied to 38 patients with chronic respiratory diseases. At the same time the functional and physiologic status of patients (the 6 Minute Walking Test and spirometry) was assessed in an independent and blinded fashion. RESULTS: CRQ scores were associated with 6 Minute Walking Test and forced expiratory volume results (p < 0.01 adjusted by age, sex and smoking). The Internal Consistency analysis showed a Cronbach alpha between 0.60 and 0.89. CONCLUSIONS: Considering the construct validation as an on-going process, the present results give additional evidence supporting the use of the CRQ in Chilean population to evaluate the health-related quality of life of patients with chronic respiratory diseases.
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