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Background:

Care remains suboptimal for many patients with hypertension.

Purpose:

The purpose of this study was to assess the effectiveness of quality improvement (QI) strategies in lowering blood pressure.

Data Sources:

MEDLINE, Cochrane databases, and article bibliographies were searched for this study.

Study Selection:

Trials, controlled before–after studies, and interrupted time series evaluating QI interventions targeting hypertension control and reporting blood pressure outcomes were studied.

Data Extraction:

Two reviewers abstracted data and classified QI strategies into categories: provider education, provider reminders, facilitated relay of clinical information, patient education, self-management, patient reminders, audit and feedback, team change, or financial incentives were extracted.

Data Synthesis:

Forty-four articles reporting 57 comparisons underwent quantitative analysis. Patients in the intervention …