“…Previous studies indicate the existence of regional differences in the availability of medical services, such as differences in waiting times for diagnostic examination using computed tomography (CT) and magnetic resonance (MR) imaging, but also differences in mortality from acute and recurrent myocardial infarction. [53][54][55][56] Additionally, the mortality from PAD, as with acute coronary syndrome, is ascribable to the natural course of the disease, but can also be caused by medical, endovascular, or surgical interventions, which necessitates differentiating and recording spontaneous unwanted outcomes as opposed to unwanted outcomes associated with medical interventions. 57,58 The present study had certain advantages and disadvantages, the latter being the study limitations and the possibility of systemic errors.…”