MMP19 and Hyperkalemia: Following drug combination without increased hyperkalemia risk were: CCB + thiazides (OR, 0.76 [95% CI, 0.45–1.28]), CCB + RASi + Thiazid (OR 0.81 [95% CI, 0.51–1.28]), CCB + RASi (OR, 0.79 [95% CI, 0.60–1.04]), BB + CCB (OR, 0.89 [95% CI, 0.60–1.30]), and BB + RASi (OR 1.05 [95% CI, 0.81–1.37]).