NCHS Data Brief. 2013:1 8. S3.4-5. National Center for Health Statistics (U.S.). Health, United States, 2013: With Special Feature on Prescription Drugs. Hyattsville, MD: National Center for Health Statistics (U.S.); 2014. S3.4-6. Bromfield SG, Bowling CB, Tanner RM, et al. Trends in hyperten- sion prevalence, awareness, treatment, and control among US adults 80 years and older, 1988 2010. J Clin Hypertens (Greenwich). 2014;16:270 6. S3.4-7. Cushman WC, Evans GW, Byington RP, et al. Effects of intensive blood-pressure control in type 2 diabetes mellitus. N Engl J Med. 2010;362:1575 85. S3.4-8. TheALLHAT Officers and Coordinators for theALLHAT Collaborative Research Group. Major outcomes in high-risk hypertensive patients ran- domized to angiotensin-converting enzyme inhibitor or calcium channel blocker vs diuretic: the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT). JAMA. 2002;288:2981 97. S3.4-9. Williamson JD, Supiano MA, Applegate WB, et al. Intensive vs standard blood pressure control and cardiovascular disease out- comes in adults aged 75 years: a randomized clinical trial. JAMA. 2016;315:2673 82. S3.4-10. Fletcher RD, Amdur RL, Kolodner R, et al. Blood pressure control among US veterans: a large multiyear analysis of blood pressure data from the Veterans Administration health data repository. Circulation. 2012;125:2462 8. S3.4-11. Jaffe MG, Lee GA, Young JD, et al. Improved blood pressure con- trol associated with a large-scale hypertension program. JAMA. 2013;310:699 705. S3.4-12. Jaffe MG, Young JD. The Kaiser Permanente Northern California story: improving hypertension control from 44% to 90% in 13 years (2000 to 2013). J Clin Hypertens (Greenwich). 2016;18:260 1. 4. Measurement of BP 4.1. Accurate Measurement of BP in the Office S4.1-1. Leung AA, Daskalopoulou SS, Dasgupta K, et al. Hypertension Canada's 2017 guidelines for diagnosis, risk assessment, pre- vention, and treatment of hypertension in adults. Can J Cardiol. 2017;33:557 76. S4.1-2. Pickering TG, Hall JE, Appel LJ, et al. 