4bbbd60035 MidwayUSA is a privately held American retailer of various hunting and outdoor-related products. 1 Page Updates to PSI90, FY2016, Updated 8-31-16 AHRQ Quality IndicatorsTM PSI 90 Fact Sheet Agency for Healthcare Research and Quality (AHRQ) Quality Indicators (QIs) A blog that celebrates the U.S. Constitution, personal responsibility, second amendment rights, first amendment rights and small government. World's Largest Online Community. The 90+ Study is a longitudinal research project led by Dr.