|Outcomes at 8 weeks to 5 years||Number of studies (n)||Comparison||Weighted event rates||RRR (95% CI)||NNT (CI)|
|*BP = blood pressure; other abbreviations defined in glossary. Weighted event rates, RRR, NNT, and CI calculated from data in article using a fixed effects model.|
|†Calculated using a random effects model.|
|Improved BP control||4 (948)||SM v control||38% v 41%||8% (−9 to 21)||Not significant|
|5 (530)||PtE v control||56% v 63%||12% (0 to 22)||Not significant|
|Patients lost to follow up||6 (1704)||ARs v control||14% v 35%†||44% (21 to 60)†||5 (3 to 15)†|
Review: self monitoring interventions modestly reduce diastolic blood pressure (BP) but do not improve BP control in hypertension
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