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Risk of hospitalization for heart failure across diastolic blood pressure. Each hazard ratio was computed with the median diastolic blood pressure value of 70 mm Hg as the reference and was adjusted for age, sex, race, smoking, systolic blood pressure, serum creatinine, diabetes mellitus, body mass index, aspirin, statin, randomization group, New York Heart Association class, coronary heart disease, and stroke. Dotted lines represent the 95% confidence interval.
