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2. Hazard ratio - Wikipedia

   en.wikipedia.org/wiki/Hazard_ratio

   The hazard ratio is the effect on this hazard rate of a difference, such as group membership (for example, treatment or control, male or female), as estimated by regression models that treat the logarithm of the HR as a function of a baseline hazard () and a linear combination of explanatory variables:

3. Proportional hazards model - Wikipedia

   en.wikipedia.org/wiki/Proportional_hazards_model

   For example, the hazard ratio of company 5 to company 2 is ⁡ (()) =. This means that, within the interval of study, company 5's risk of "death" is 0.33 ≈ 1/3 as large as company 2's risk of death. There are important caveats to mention about the interpretation:

4. Risk–benefit ratio - Wikipedia

   en.wikipedia.org/wiki/Risk–benefit_ratio

   A risk–benefit ratio (or benefit-risk ratio) is the ratio of the risk of an action to its potential benefits. Risk–benefit analysis (or benefit-risk analysis) is analysis that seeks to quantify the risk and benefits and hence their ratio. Analyzing a risk can be heavily dependent on the human factor.

5. Hazard quotient - Wikipedia

   en.wikipedia.org/wiki/Hazard_quotient

   A hazard quotient is the ratio of the potential exposure to a substance and the level at which no adverse effects are expected. If the Hazard Quotient is calculated to be less than 1, then no adverse health effects are expected as a result of exposure. If the Hazard Quotient is greater than 1, then adverse health effects are possible.

6. What Is Asset Turnover Ratio and How Is It Calculated? - AOL

   www.aol.com/asset-turnover-ratio-calculated...

   A low ratio indicates a less than optimal use of existing assets. Why the Asset Turnover Ratio Calculation Is Important. Many metrics measure a business’s profitability. By using this ratio ...

7. Nelson–Aalen estimator - Wikipedia

   en.wikipedia.org/wiki/Nelson–Aalen_estimator

   The Nelson–Aalen estimator is a non-parametric estimator of the cumulative hazard rate function in case of censored data or incomplete data. [1] It is used in survival theory, reliability engineering and life insurance to estimate the cumulative number of expected events. An "event" can be the failure of a non-repairable component, the death ...