Cardiovascular diabetology · 2025
A six-year longitudinal study identifies a statin-independent association between low LDL-cholesterol and risk of type 2 diabetes.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Lembo Maria, Trimarco Valentina, Pacella Daniela, Izzo Raffaele, Jankauskas Stanislovas S, Piccinocchi Roberto, Gallo Paola, Bardi Luca, Piccinocchi Gaetano, Morisco Carmine, Cristiano Stefano, Esposito Giovanni, Giugliano Giuseppe, Manzi Maria Virginia, Santulli Gaetano, Trimarco Bruno
Аннотация
BACKGROUND: Statin therapy has been associated with increased risk of type 2 diabetes (T2D). We investigated the relationship between Low-Density Lipoprotein Cholesterol (LDL-C) plasma concentrations and incident T2D and evaluated the modifying effect of statin therapy in a large population-based cohort.
METHODS: Individuals free of T2D and cardiovascular disease at baseline were followed longitudinally for the development of new-onset T2D. Cox proportional hazards models were applied to evaluate the associations of LDL-C levels and statin therapy with T2D risk.
RESULTS: From a population of 202,545 individuals, we selected 13,674 participants free of T2D and cardiovascular disease (of whom 52% were on statins), who were followed for a median of 71.6 months (IQR 34.5-149.9), during which 1,819 (13%) developed incident T2D. Cox multiple regression analysis revealed a significant inverse association between LDL-C plasma levels and incident T2D (p < 0.001). When stratifying LDL-C into quartiles [i.e. low (< 84 mg/dL), medium (≥ 84 to < 107 mg/dL), high (≥ 107 to < 131 mg/dL), and very high (≥ 131 mg/dL)], we observed that patients with LDL-C < 84 mg/dL had the highest risk of developing T2D. The interaction between statin therapy and T2D incidence was significant only in the very high LDL-C group, where statin users had a greater risk than non-users (p = 0.018); in the other three LDL-C groups, statin therapy did not significantly modify the association between LDL-C and T2D risk.
CONCLUSIONS: Taken together, our findings demonstrate a strong inverse association between LDL-C and incident T2D in the general population. The increased risk of T2D at lower LDL-C levels appears to be independent of statin use, supporting the role of LDL-C as a potential biomarker of T2D susceptibility.
METHODS: Individuals free of T2D and cardiovascular disease at baseline were followed longitudinally for the development of new-onset T2D. Cox proportional hazards models were applied to evaluate the associations of LDL-C levels and statin therapy with T2D risk.
RESULTS: From a population of 202,545 individuals, we selected 13,674 participants free of T2D and cardiovascular disease (of whom 52% were on statins), who were followed for a median of 71.6 months (IQR 34.5-149.9), during which 1,819 (13%) developed incident T2D. Cox multiple regression analysis revealed a significant inverse association between LDL-C plasma levels and incident T2D (p < 0.001). When stratifying LDL-C into quartiles [i.e. low (< 84 mg/dL), medium (≥ 84 to < 107 mg/dL), high (≥ 107 to < 131 mg/dL), and very high (≥ 131 mg/dL)], we observed that patients with LDL-C < 84 mg/dL had the highest risk of developing T2D. The interaction between statin therapy and T2D incidence was significant only in the very high LDL-C group, where statin users had a greater risk than non-users (p = 0.018); in the other three LDL-C groups, statin therapy did not significantly modify the association between LDL-C and T2D risk.
CONCLUSIONS: Taken together, our findings demonstrate a strong inverse association between LDL-C and incident T2D in the general population. The increased risk of T2D at lower LDL-C levels appears to be independent of statin use, supporting the role of LDL-C as a potential biomarker of T2D susceptibility.