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Evid Based Nurs 3:22 doi:10.1136/ebn.3.1.22
  • Treatment

Review: counselling and education reduce cardiovascular risk factors but not mortality

Risk factor intervention (Int) v no intervention for coronary artery disease (CAD)*

Outcomes (follow up range 6 mo to 12 y) Weighted mean decrease (95% CI)
Systolic blood pressure (mm Hg) 3.3 (1.9 to 4.7)
Diastolic blood pressure (mm Hg) 2.2 (1.3 to 3.1)
Total blood cholesterol (mmol/l) 0.16 (0.09 to 0.24)
Int No int RRR (CI) NNT (CI)
*Random effects model used for all outcomes except CAD mortality. Abbreviations defined in glossary; NNT calculated from data in article.
Smoking prevalence 34.5% 38% 10% (2 to 17) 29 (14 to 200)
All cause mortality 7.1% 7.2% 5% (−4 to 13) Not significant
CAD mortality 2.5% 2.6% 4% (−4 to 11) Not significant

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