Conceptual Framework National Healthcare Disparities Report, 2002The National Healthcare Quality Report (NHQR) is a comprehensive national overview of quality of health care in the United States. It is organized around four dimensions of quality of care: effectiveness, patient safety, timeliness, and patient centeredness. Conceptual Framework, National Healthcare Disparities Framework[D] Select for Text Description.Return to Document Current as of May 2005 Internet Citation: Conceptual Framework: National Healthcare Disparities Report, 2002. May 2005. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhdr02/frame1.html