Dictionary
The Dictionary provides concise definitions of health economics terms, arranged alphabetically for quick reference. Use it to understand unfamiliar terminology or confirm the meaning of a specific term.
T
- Triple TherapyTermThree-Drug Regimen, Triple Combination
- A treatment regimen combining three distinct agents administered together, used when a single agent or two-drug combination gives inadequate control.
- TruncationConceptTruncated Data, Range Restriction
- A situation in survival or longitudinal analysis where certain observations are systematically excluded based on a variable's value, such as required registration.
- Trust FundTermPooled Fund, Ring-Fenced Fund
- A dedicated financial account established to hold and manage funds designated for a specific purpose, such as national health insurance.
- Trust in HealthcareTermHealthcare Trust, Patient Trust
- The confidence patients place in providers and institutions to act competently and in the patient's best interest despite information asymmetry.
- Tumour ResponseTermTumor Response, Imaging-Based Response
- A general term for how a tumour changes in size following treatment, classified as complete response, partial response, stable disease, or progressive disease.
- Tunnel StateConceptTemporary State Sequence, Tunnel Markov State
- A tunnel state is one of a fixed sequence of one-cycle temporary states in a Markov model, letting risks, costs or utilities vary with time in a state.
- Two-Stage Meta-AnalysisTermTwo-Step Meta-Analysis, Aggregate-Then-Pool Analysis
- An individual patient data meta-analysis first analysing each study separately, then combining the resulting study-level estimates using standard methods.
- Two-Tailed TestTermTwo-Sided Test, Non-Directional Test
- A hypothesis test assessing evidence for an effect in either direction, without specifying in advance whether it is expected to be better or worse.
- Two-Way Sensitivity AnalysisConceptTwo-Way Sensitivity, Bivariate Sensitivity Analysis
- An analysis varying two parameters together across a grid of combinations, typically shown as a contour plot or heat map of results.
- Two-Way Threshold AnalysisTermBivariate Threshold Analysis, Two-Parameter Threshold
- A threshold analysis technique identifying the combinations of two parameter values at which a model's decision conclusion would switch to another outcome.
- Type I ErrorConceptAlpha Error, False Positive Error
- In hypothesis testing, the error of incorrectly rejecting a true null hypothesis, concluding a genuine effect exists when it does not.
- Type II ErrorConceptBeta Error, False Negative Error
- In hypothesis testing, the error of failing to reject a false null hypothesis, concluding no effect exists when a genuine effect is present.