Abstract P122: The Identification Of New Serum Uric Acid Levels Cut-off Point To Prevent Prehypertension And Hypertension Based On Jnc 7 And Acc/aha 2017 Classification: A Cross-sectional Study

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Abstract

Background: Serum uric acid levels have been reported to be associated with elevated blood pressure and hypertension events. It is needed to determine the prognostic serum uric acid (SUA) cut-off point to prevent the incidents of prehypertension and hypertension.
Methods: This was a cross-sectional study involving a total of 733 participants who a had history of prehypertension in 2007. These participants were selected from “Mlati Study Database” in 2007 by simple random sampling using statistical software. Participants underwent both physical and laboratorical examination. Data were analyzed based on JNC 7 and ACC/AHA 2017 guideline.
Results: Based on JNC 7 classification, the analysis using ROC curve showed that the prognostic SUA cut-off point of 4.85 mg/dL was able to indicate the incidents of prehypertension or hypertension in the database (95% confidence interval, CI, 0.532-0.629, p=0.001). Additional analysis using ACC/AHA 2017 guideline as the blood pressure classification was also performed for comparison. Based on ACC/AHA 2017 classification, the ROC curved showed a slightly higher SUA cut-off points than the previous analysis using JNC 7. The prognostic SUA cut-off point of 4.95 mg/dL was able to indicate the events of hypertension stage 1 and stage 2 in the database (95% confidence interval, CI, 0.532-0.615, p=0.001). These results were parallel with the previous study which reported that SUA cut-off points of 5-7 mg/dL (high-normal SUA) and ≥7 mg/dL (high SUA) were associated with the incidents of prehypertension and hypertension.
Conclusion: The new SUA cut-off points may be used as an early warning for the development of prehypertension and hypertension in the future.
Original languageEnglish
JournalJournal of the American Heart Association
Volume78
Issue number1
DOIs
Publication statusPublished - 27 Aug 2021

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