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Cumulative incidence of the primary composite outcome by numbers of antihypertensive drug classes in patients with BP ≥ 140/90 mmHg (A), BP ≥ 130/80 mmHg (B), BP < 140/90 mmHg (C), and BP < 130/80 mmHg (D). Composite outcome: first hospitalization for incident myocardial infarction or stroke or heart failure, or death.
