Related Experiment Videos

Searching the Polish Medical Bibliography (Polska Bibliografia Lekarska) for trials

Muhammad Qutayba Almerie1, Hosam El-Din Matar, Vicki Jones

  • 1Faculty of Medicine, Damascus University, Syria.

Health Information and Libraries Journal
|November 17, 2007
PubMed
Abstract

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Clinical Trials: Overview

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Hazard Ratio

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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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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