The presentation will review the research performed and presented within the 2010 Aon/ASHRM Benchmarking Report which will be released prior to the ASHRM meeting. The key findings generally include updated trends in claim frequency, claim severity, and cost of risk for professional liability claims. The research presented will include claim benchmarks specific to obstetrics, emergency department, and surgical areas of the hospital. Additionally, we will present benchmarks and trends regarding hospital acquired conditions.