Ethnic differences in percutaneous coronary intervention according to the "Register of the performed operations of transluminal balloon coronary angioplasty"

Aim. The study was designed to reveal ethnic differences in percutaneous coronary interventions according to data of the “Register of the performed operations of transluminal balloon coronary angioplasty.” Methods. Three thousand one hundred and six patients were selected from the list of the Register and divided in five ethnic groups: Russians (n = 2,777), Tatars (n = 130), Ukrainians (n = 126), Azerbaijani (n = 44) and Armenians (n = 29). Intergroup comparison of clinical and functional parameters, as well as transluminal balloon coronary angioplasty results, was carried out Results. Significant intergroup differences were observed in gender and age of the patients: groups of Russians and Tatars had the smallest proportion of men as compared with Ukrainians and Azerbaijani (83.5% and 83.1% vs 94.4% and 97.7%, respectively; p