Objective: To compare the efficacy of Simvastatin with Atorvastatin in loweringLow Density Lipoprotein Cholesterol (LDL-C) in patients with Hypercholesterolemia in a tertiarycare hospital. Design: Prospective, observational, single center study. Setting: Department ofMedicine, Khyber Teaching Hospital, Peshawar. Period: December 2011 to December 2012.Subjects and Methods: A total of 200 cases having base line fasting LDL-C level of ≥ 130 mg/dland meeting the inclusion criteria were included in

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... he study through both outpatient department(OPD) and admitted patient. After detailed history and clinical examination, all patients weredivided randomly into two groups, A and B. Patients in Group A were given Simvastatin20mg/day and Group B received Atorvastatin 20mg/day. Fasting blood samples were taken fromthe selected patients in the start of study and after 12 weeks. Results: A total of 200 subjects witha serum LDL-C level ≥ 130 mg/dL were included in the study. They were divided into 2 groupsrandomly, 100 in each group. Each group comprised of 75 male and 25 female. The mean age ingroup A was 52 years and in group B it was 54 years. The age ranges between 40 years and 73years. Mean base LDL-C level was 165 mg/dl in group A and 170mg/dl in group B. Simvastatin 20mg/dl reduced LDL-C level by 26% and Atorvastatin 20mg/dl reduced LDL-C level by 33% after 12weeks of treatment. Conclusions: Atorvastatin is a more effective drug to reduce serum LDLcholesterolthan Simvastatin in the same doses.