· Sorra J, Famolaro T, Dyer N, Nelson D, Khanna K. Rockville, MD: Agency for Healthcare Research and Quality; March 2010. AHRQ Publication No. 10-0026. The Hospital Survey on Patient Safety Culture, a validated tool for measurement of safety culture developed by the Agency for Healthcare Research and Quality (AHRQ), was initially released in 2004. AHRQ has released database reports yearly since 2007 that present ….