• Juan Wu, Jiefeng Huang, Miaoling Hong, Li Xia, Yuye Lin, Yiying Chen, Junzhong Zou, Sicong Huang, Yimei Chen, and Xudong Huang.
• Department of Clinical Laboratory, Jieyang People's Hospital, Jieyang, Guangdong, China.
• Medicine (Baltimore). 2024 Oct 11; 103 (41): e40006e40006.

AbstractInsulin resistance is a key factor in diabetes development. This study aimed to investigate the association between baseline triglyceride-glucose (TyG) index, a surrogate marker of insulin resistance, and the onset of hyperglycemia in Chinese individuals with hypertension. Using the Rich Healthcare Group database, this retrospective cohort study included 28,687 hypertensive individuals without preexisting diabetes. A wide range of demographic information and baseline biochemical indicators was collected and rigorously analyzed. This study utilized the Cox proportional hazards model and smooth curve fitting to explore the link between TyG index and the risk of developing hyperglycemia. The robustness of the findings was validated by sensitivity and subgroup analyses. During longitudinal monitoring of hypertensive patients in our retrospective cohort study, we observed that 5.31% (1524/28,687) progressed to diabetes, while 21.66% (4620/21,326) developed prediabetes. After adjusting for confounding variables, a statistically significant positive association was observed between the TyG index and the risk of hyperglycemia. Subgroup and sensitivity analyses further supported these findings, demonstrating consistent outcomes and reinforcing the robustness of our conclusions. The TyG index, which is significantly linked to hyperglycemia in hypertensives, can aid early risk identification and intervention.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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