The fourth limitation of our study was not including medications taken by patients in particular groups; although the main objective of the study was to evaluate parameters related to obesity and the concentration of kallistatin and afamin, medications could have influenced the results of the study.Future studies should investigate whether the levels of kallistatin and afamin affect the speed of recovery in patients after myocardial infarction. Here, SERPINA4 is linked to obesity due to melanocortin 4 receptor deficiency.