Prevalence and Prognostic Significance of Untreated, Uncontrolled and Resistant Hypertension among American Adults with Prediabetes.

Authors

Yong Lin, Kunming Bao, Luojing Zhong, Wentao Jiang, Fujin Lin, Zhidong Huang, Wenjun Gu, Ganyang Li, Chunhua Guo

Published in

Blood pressure. Pages 1-15. Jul 04, 2026. Epub Jul 04, 2026.

Abstract

The prevalence of untreated, uncontrolled and resistant hypertension and their specific prognosis among American adults with prediabetes remain unclear. We aimed to explore the prevalence of hypertension treatment and control and their associated risks of all-cause and cardiovascular disease (CVD) mortality among this population.
We analyzed data from 12,321 participants in the NHANES survey (1999-2016). Prediabetes was defined as fasting plasma glucose 5.6-7.0 mmol/L, hemoglobin A1c 5.7%-6.4%, 2-hour glucose 7.8-11.1 mmol/L, or self-reported diagnosis. Hypertension was defined as blood pressure ≥140/90 mmHg, a self-reported history of hypertension, or current antihypertensive medication use, and categorized into untreated, controlled, uncontrolled, and resistant hypertension. Cox regression assessed associations between hypertension categories and CVD and all-cause mortality.
The study included 12,321 adults with prediabetes, representing an estimated 53.3 million individuals. Age- and sex-standardized hypertension prevalence was 43%. Among those with hypertension, 62% were receiving treatment. Among treated individuals, 66% had controlled hypertension, 26.5% had uncontrolled hypertension, and 7.5% had resistant hypertension. Mortality risk increased progressively from non-hypertensive to untreated, controlled, uncontrolled, and resistant hypertension stages. Compared to non-hypertensive individuals, hazard ratios (HRs) for CVD mortality were 1.17 (95% CI: 0.80-1.71), 1.52 (1.04-2.21), 2.03 (1.35-3.05), and 1.83 (1.07-3.13), respectively (P trend <0.001). For all-cause mortality, HRs were 1.01 (0.86-1.20), 1.05 (0.87-1.26), 1.16 (0.95-1.41), and 1.42 (1.09-1.85), respectively (P trend = 0.022).
Hypertension was highly prevalent among American adults with prediabetes, and mortality risk increased with advancing hypertension stages.

PMID:
42401999
Bibliographic data and abstract were imported from PubMed on 05 Jul 2026.

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