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Blood Pressure Cuff Sizes for Adults in the United States: National Health and Nutrition Examination Survey, 2015-2020.

BACKGROUND
Hypertension, defined as blood pressure (BP) ≥130/80 mm Hg or antihypertensive medication use, affects approximately half of US adults, and appropriately-sized BP cuffs are important for accurate BP measurement and hypertension management.


METHODS
This cross-sectional study analyzed 13,038 US adults (≥18y) in the National Health and Nutrition Examination Survey 2015-March 2020 cycles. Recommended BP cuff sizes were categorized based on mid-arm circumference: small adult (≤26 cm), adult (>26 to ≤34 cm), large adult (>34 to ≤44 cm), and extra-large adult (>44 cm). Analyses were weighted and proportions were extrapolated to the US population.


RESULTS
Among US adults (246 million), recommended cuff sizes were: 6% (16 million) small adult, 51% adult (125 million), 40% large adult (98 million), and 3% extra-large adult (8 million). Among adults with hypertension (116 million), large or extra-large cuffs were needed by over half (51%) overall, including 65% of those aged 18-34 and 84% of those with obesity (BMI ≥30 kg/m 2). By race/ethnicity, the proportion needing a large or extra-large cuff was 57% of non-Hispanic Black adults, 54% of Hispanic adults, 51% of non-Hispanic White adults, and 23% of non-Hispanic Asian adults. Approximately 40% of adults with hypertension in Medicare needed a large or extra-large cuff, compared to 54% for private insurance and 53% for Medicaid.


CONCLUSIONS
Over half of US adults with hypertension need a large or extra-large BP cuff.