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Cox proportional hazard models for adverse cardiovascular events over the lifespan, by number of antihypertensive medication classes. Hard cardiovascular outcomes (CVD) represent a composite of coronary heart disease, ischaemic stroke, haemorrhagic stroke, death, and cardiac death. CVD, hard cardiovascular outcomes; CHD, coronary heart disease. Follow-up and risk of events begins at age 55 year for all participants.
