Centralized Pan-Middle East Survey on the Under-treatment of Hypercholesterolemia, Sub-study for the Gulf States

The purpose of the study is to establish the proportion of patients on lipid-lowering pharmacological treatment reaching the LDL-C goals according to the NCEP ATP III/updated 2004 NCEP ATP III guidelines, overall and by country, to establish the proportion of patients on lipid-lowering pharmacological treatment reaching the LDL-C goals according to the NCEP ATP III/updated 2004 NCEP ATP III in the following sub-populations: * Primary/secondary prevention patients. * Patients with metabolic syndrome (according to NCEP III definition). And to establish the proportion of patients on lipid-lowering pharmacological treatment reaching the LDL-C goals according to the Third Joint European Task Force guidelines/national guidelines, in the survey population and in the following sub-populations: * Primary/secondary prevention patients. * Patients with metabolic syndrome.