Graph Database
A graph database is a database that stores data as nodes and named relationships and is queried by following them, used to link patient records to codes.
Explore comprehensive, evidence-informed explanations of key health economics concepts, including their development, application and relationships to other concepts. Published entries are validated through human expert review.
A concept page is a published entry on the wiki. Some concepts also have a full encyclopaedia article. The Health Economics Ontology (HEO) holds every concept, including dictionary terms without an article, so it is larger than the list of published pages. The knowledge graph shows how concepts relate to each other.
A graph database is a database that stores data as nodes and named relationships and is queried by following them, used to link patient records to codes.
A harm rate is the number of injuries caused by healthcare per 1,000 patient days or per 100 admissions, used by hospitals to track patient safety.
Health equity (equity in health) means everyone has a fair chance to reach their full health potential, free of avoidable and unfair differences in health.
Health inequality is a measurable difference in health between individuals or groups, described without judging whether the difference is unfair.
Health inequity is a difference in health judged avoidable, unfair and unjust, often arising from social or economic disadvantage rather than biology.
Health insurance is a prepaid arrangement that pools contributions to pay for members' covered care, protecting them from large, uncertain medical costs.
Health needs assessment is a systematic method for finding unmet capacity to benefit from care in a population, to set priorities and allocate resources.
Health policy is the decisions, rules and spending choices by which governments and health bodies set priorities and use scarce resources for health.
Health spending as GDP share is current health expenditure divided by gross domestic product, used to compare health spending across countries and years.
Health system financing is how a country raises money for health, pools it to share risk and buys services, shaping access and financial protection.
Health system organisation is the way a health system's regulators, funders, purchasers and providers are arranged, linked and held to account for care.
A health technology adoption curve shows how use of a new medicine or device grows over time, usually S-shaped: slow, then rapid, then levelling off.
Health technology assessment (HTA) evaluates the clinical, economic, social and ethical effects of a drug, test, device or procedure to guide its use.
Healthcare accreditation is external review of health services against published standards by an accrediting body, with public recognition if they comply.
Healthy life expectancy (HLE) is the average number of years a person is expected to live in good health, given current rates of death and ill health.
A hierarchical condition category (HCC) groups related diagnosis codes by severity so that CMS risk models can predict an enrolee's relative future cost.
An ICHOM Standard Set is an agreed set of outcomes and case-mix variables for one medical condition, used to compare providers on the value of care.
Impoverishing health expenditure is out-of-pocket health spending that pushes a household below a poverty line, or deeper into poverty if already poor.
Informed choice is a decision about a screening test or treatment based on relevant knowledge, consistent with the decision maker's values and acted upon.
Informed consent for research is a capable person's voluntary, understood agreement to join a study, the ethical gate for trial and registry evidence.