The Reliability and Validity of Persian Translation of the Seattle Angina Questionnaire in Patients with Myocardial Infarction

Myocardial Infarction (MI) is the major cause of death in the industrial countries. In addition to the clinical and economic burden، MI affects health related quality of life (HRQoL). Original version of the SAQ was developed cross-sectionally and may be used for measuring clinically important dimensions of coronary artery disease. However، the Persian translation is not available for Myocardial Infarction patients. After multi-stage translating based on Manufacturers Alliance for Productivity and Innovation (MAPI) protocol، the reliability examined on 130 patients with MI. The SF-36 was used to assess the validity of the SAQ. To assess test-retest reliability، the patients refilled the SAQ after 5 days. Reliability of the SAQ was assessed by Cronbach’s Alpha and the Intra-class Correlation Coefficient (ICC). Validity was determined using Pearson correlation matrix for the subclasses and the total scores (ρ). ICC exceeded 0. 6 in all domains. The weighted kappa ranged from 0. 492 to 0. 853. Reliability and validity of the Persian version of the SAQ is acceptable and seems that this questionnaire can be a useful tool in assessing health related quality of life in Persian speaking patients with myocardial infarction suffering from angina.