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Twenty-four–hour ambulatory blood pressure (BP) appears to predict health outcomes more accurately than does clinic BP, but studies have been limited in size. In this study, researchers analyzed data from a Spanish BP registry of 59,000 patients who met European guideline indications for ambulatory BP monitoring (i.e., suspected white-coat hypertension, resistant hypertension, assessment of drug efficacy, labile or borderline hypertension). They were followed for an average of 10 years after standard clinic and ambulatory BP monitoring at baseline. Key findings were as follows:
Systolic BP (SBP) generally was associated more strongly with all-cause and cardiovascular-related mortality than was diastolic BP.
24-hour ambulatory SBP was associat…