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Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
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A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
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The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
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Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
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Estimating the Risk of Cardiovascular Events in U.S. Veterans Using the SMART Risk Score.

Subhash Banerjee1,2,3, Rick A Weideman3, David A Jacob3

  • 1Baylor Scott & White Heart and Vascular Hospital, Dallas, Texas, USA.

JACC. Advances
|January 6, 2025
PubMed
Summary
This summary is machine-generated.

The VA SMART risk score accurately predicts 10-year cardiovascular event risk in U.S. Veterans. This tool aids in developing personalized strategies to mitigate risks for major adverse cardiovascular events (MACE).

Keywords:
cardiovascular diseaserisk scoreveterans

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Area of Science:

  • Cardiology
  • Public Health
  • Health Informatics

Background:

  • Estimating long-term cardiovascular event risk is crucial for effective risk mitigation strategies.
  • The Secondary Manifestations of Arterial Disease (SMART) risk score offers a potential tool for this estimation.

Purpose of the Study:

  • To apply the SMART risk score to predict major adverse cardiovascular events (MACE) in the U.S. Veteran population.
  • To develop and validate a specific version of the score for this demographic, termed the VA SMART score.

Main Methods:

  • Utilized Veterans Affairs (VA) data to identify 472,702 patients evaluated for cardiology between 2003-2010.
  • Estimated 10-year risk for composite MACE (death, stroke, myocardial infarction) using Cox regression and survival curves.
  • Validated the VA SMART score in development and test cohorts, assessing performance against established models (C-statistic = 0.67).

Main Results:

  • The VA SMART score accurately estimated MACE risk, stratifying patients into low, moderate, high, and very high-risk groups.
  • Observed event rates in the test cohort were 6.8%, 17.9%, 28.5%, and 49.5% for these risk strata, respectively (P < 0.0001).
  • All-cause death was the most frequent MACE, with nonfatal myocardial infarction and stroke also significant, particularly in the very high-risk group.

Conclusions:

  • The VA SMART risk score effectively estimates long-term cardiovascular event risk in U.S. Veterans.
  • This validated score can inform and facilitate the implementation of individualized risk mitigation strategies for cardiovascular disease prevention.