# Which statistical measures do we extract from scientific literature? We extract relationships reported using the following statistical measures: * Odds ratio * Adjusted odds ratio * Hazard ratio * Adjusted hazard ratio * Relative risk ratio * Incident rate ratio * Prevalence ratio * Pearson correlation coefficient * Spearman correlation coefficient * Mean difference standardized * Mean difference unstandardized * Risk difference * Coefficient of determination * T-test * Elasticity * Gini coefficient * Regression coefficient --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.system.com/system/how-system-works/system-platform/which-statistical-measures-do-we-extract-from-scientific-literature.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.