Diabetes research and clinical practice · 2025
Association of the triglyceride glucose index with sudden cardiac death in the patients with diabetic foot ulcer.
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Chen Yi, Zhao Junyan, Sun Yuchen, Yang Zhongjing, Yang Caizhe, Zhu Di
Аннотация
BACKGROUND: This study examines the relationship between the TyG index and the risk of sudden cardiac death (SCD) in the patients with diabetic foot ulcer (DFU).
METHODS: 688 type 2 diabetes mellitus (T2DM) inpatients with DFU between January 2010 and December 2023 was included in this retrospective study. The 1:1 propensity score matching (PSM) method was applied. The relationship between TyG index and SCD risk was analyzed using the Kaplan-Meier (K-M) survival curve analysis, multivariate Cox proportional hazard regression model, Restricted cubic spline (RCS) model analysis and subgroup analyses.
RESULTS: Over a median follow-up period of 61 months, 38 cases of SCD were recorded. After PSM, 71 pairs of score-matched patients according to TyG index were generated. K-M survival curves revealed higher SCD rates in patients with TyG index ≥9.65. The Cox proportional hazard model, independently associated with the risk of SCD (HR: 75.98; 95 % CI: 9.16 ∼ 630.40; P < 0.001). RCS model showed that SCD risk was non-linearly correlated with gradual increases in TyG index levels. Stratified analyses indicated a consistent relationship between increasing TyG index and SCD risk across all subgroups.
CONCLUSIONS: Elevated TyG index independently confers an increased risk for SCD in individuals with DFU.
METHODS: 688 type 2 diabetes mellitus (T2DM) inpatients with DFU between January 2010 and December 2023 was included in this retrospective study. The 1:1 propensity score matching (PSM) method was applied. The relationship between TyG index and SCD risk was analyzed using the Kaplan-Meier (K-M) survival curve analysis, multivariate Cox proportional hazard regression model, Restricted cubic spline (RCS) model analysis and subgroup analyses.
RESULTS: Over a median follow-up period of 61 months, 38 cases of SCD were recorded. After PSM, 71 pairs of score-matched patients according to TyG index were generated. K-M survival curves revealed higher SCD rates in patients with TyG index ≥9.65. The Cox proportional hazard model, independently associated with the risk of SCD (HR: 75.98; 95 % CI: 9.16 ∼ 630.40; P < 0.001). RCS model showed that SCD risk was non-linearly correlated with gradual increases in TyG index levels. Stratified analyses indicated a consistent relationship between increasing TyG index and SCD risk across all subgroups.
CONCLUSIONS: Elevated TyG index independently confers an increased risk for SCD in individuals with DFU.