marginally significantp = 0.05
As a continuous variable, each unit increase in MedHi was associated with an 8% lower risk of CVD mortality in Model 2 (HR = 0.89; 95% CI: 0.81–0.97; p = 0.01), which remained marginally significant after full adjustment in Model 3 (HR = 0.92; 95% CI: 0.84–1.00; p = 0.05).