A comparative study on Type D Personality, psychological Hardiness, Frustration Tolerance, and perfectionism among patients with coronary Heart Disease and Normal people in Khoramabad over a three – month summer in 2017.

Regarding the role of psychological factors and lifestyle in the etiology of heart disease, this research was conducted with the aim of investigating and comparing the personality type D, psychological hardiness, failure tolerance and perfectionism in cardiac and normal patients in Khorramabad city.

This study is a case-retrospective study. Which compares to personality type D, psychological hardiness, failure, and perfectionism in cardiac and normal patients. The statistical population included all patients with coronary heart disease referred to cardiovascular clinics in Khorramabad city, in which 64 patients volunteered to participate in the study. Also, 64 normal people matched them in terms of age and gender. To measure the variables, personality type D questionnaire, Ahwaz psychological hardiness and perfectionism scale, and Harrington's failure tolerance scale were used. Data were analyzed using multivariate analysis of variance (MANOVA)

The results of this study showed that there is a significant difference between cardiac patients and normal people in terms of personality type D, psychological hardiness, failure tolerance and perfectionism. Cardiac patients have lower tolerance and lower psychological hardiness, and mean score of personality type D and higher perfectionism.

According to the results of the research, it can be said that personality type D, psychological hardiness, tolerance of failure, and perfectionism act as important variables that influence the development or prevention of heart disease.