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. 2026 Jan 13;12:1720646. doi: 10.3389/fmed.2025.1720646

FIGURE 2.

Three graphs display the restricted cubic spline regression analysis of uric acid to HDL-C ratio (UHR) and stroke. Each graph shows odds ratios with 95% confidence intervals against UHR for different models: crude, model 1, and model 2. Histograms show UHR distribution. Red lines with shaded areas indicate spline fits with P-values for overall and nonlinear significance. Each model has its own specific P-values, with the crude model showing P for overall less than 0.001, and model 2 showing P for overall 0.006.

Dose-response relationship between the Uric acid to high-density lipoprotein cholesterol ratio (UHR) and stroke odds. (a) Crude model (unadjusted). (b) Partially adjusted model (adjusted for sex, age, and race). (c) Fully adjusted model (additionally adjusted for BMI, smoking, drinking, hypertension, diabetes, and coronary heart disease). P-values for the overall correlation and the non-linearity test are displayed within each panel.