Fig. 4

Estimated number of antihypertensive medications from mixed-effect Poisson regression model. Weighted model including fixed effect of treatment group, the natural spline function of time in years, an interaction between treatment group and time, baseline number of antihypertensive medications, age, gender, race, BMI, smoking status, history of obstructive sleep apnea, chronic kidney disease, hyperlipidemia, diabetes, and random intercept of patient