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Am Fam Physician. 2023;108(4):online

Author disclosure: No relevant financial relationships.

Details for This Review

Study Population: Approximately 90,000 patients with an average age of 50 to 75 years who had hypertension and multiple comorbidities, including type 2 diabetes mellitus; participants had a resting blood pressure of greater than 140 mm Hg systolic or greater than 90 mm Hg diastolic, measured using a standard method on at least two occasions

Efficacy End Points: Total mortality, total morbidity (e.g., serious adverse events, cardiovascular events, stroke, coronary heart disease, congestive heart failure)

Benefits
Thiazides vs. beta blockers
 1 in 45: reduced risk of treatment withdrawal due to adverse effects

Thiazides vs. calcium channel blockers
 1 in 100: reduced risk of cardiovascular events
 1 in 84: reduced risk of heart failure
 1 in 71: reduced risk of treatment withdrawal due to adverse effects

Thiazides vs. angiotensin-converting enzyme inhibitors
 1 in 167: reduced risk of stroke
 1 in 100: reduced risk of treatment withdrawal due to adverse effects

Thiazides vs. alpha blockers
 1 in 33: reduced risk of total cardiovascular events
 1 in 39: reduced risk of heart failure
 1 in 250: reduced risk of treatment withdrawal due to adverse effects
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This series is coordinated by Christopher W. Bunt, MD, AFP assistant medical editor, and the NNT Group.

A collection of Medicine by the Numbers published in AFP is available at https:// www.aafp.org/afp/mbtn.

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