Figure 2.

Adjusted incidence rate ratios (IRRs) for major adverse cardiovascular events (MACE) according to serum potassium (K⁺) (mEq/L) pooled across eGFR strata. Negative binomial model was adjusted for age, sex, race, diabetes, congestive heart failure, coronary artery disease, cerebral vascular accident, β-blocker use, nondihydropyridine calcium channel blocker use, loop diuretic use, thiazide diuretic use, use of renin-angiotensin-aldosterone system blockers, and eGFR category. Estimates with 95% confidence intervals (95% CIs) are shown for each serum K⁺ category.