[Table of Contents] Abstract 1 Chapter 1. Introduction 11 Section 1. Study Background and Purpose 11 Section 2. Scope of Study 13 Section 3. Study Methods 16 Chapter 2. Analysis of the Use and Prices of Drugs by Population Group and Medical Institution 29 Section 1. By Population Group 29 Section 2. By Region 64 Section 3. By Medical Institution 69 Chapter 3. Distribution of Population Groups and Medical Institutions on the Use of Drugs by Chracteristic 75 Section 1. Distribution of Population Groups on the Use of Drugs by Chracteristic 75 Chapter 4. Analysis on the Use of Drugs for Appropriate Use and Prices of Medicines 109 Section 1. Use of Antibiotics 109 Section 2. Use of Potentially Inappropriate Drugs(PID) 142 Section 3. Use of Highly Priced Drugs 155 Chapter 5. Use and Prices of the Drugs not Covered by Health Insurance 175 Section 1. Costs and Use of the Drugs not Covered by Health Insurance in 2010 175 Section 2. Drugs on the Top List of the Drugs not Covered by Health Insurance 178 Chapter 6. Analysis of Drug Prices on the Basis of Daily Use 185 Section 1. Prices of Domestic Drugs on the Basis of Daily Use 185 Section 2. Comparisons among OECD Countries 192 Chapter 7. Conclusion 203 References 207 Annex 211