Clinical, Angiographic Characteristics and In-Hospital Outcomes of Smoker and Nonsmoker Patients After Primary Percutaneous Coronary Intervention.

•Smokers were younger at presentation that nonsmokers were.•Smokers had lesser disease severity (i.e., single-vessel involvement) than nonsmokers did.•Smokers had less extensive risk profile (low rates of diabetes and hypertension) than nonsmokers did.•There was narrow difference in age of smokers and nonsmokers in our population with the difference of around 3 years versus 8 to 12 years in other regions.•The smoker group in our population was relatively young compared with in the European and American populations.•This is an alarming phenomenon indicating the possibility of early onset MI in our population.