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Diagnostic testing in pediatrics: yield and drivers
Diagnostic tests are performed for various reasons. Testing has both positive and negative effects on patient outcome. The main effects are indirect, mediated through treatment decisions and their impact on patient outcome. To base test decisions on expected net benefit, it is important to estimate or measure those effects in a structured manner. Positive and negative effects vary over the different stakeholders in test decisions: the healthcare provider, patient and society. While testing in a situation with low pre-test probability for a certain condition can be highly valued by patients, the associated costs of testing, with limited effect on patient outcome, diverts resources from societal areas with higher benefit.
In this thesis we quantified the benefit of testing across different aspects of value of diagnostic information using a pediatric example, and provided argumentation and guidance for structured evaluation of existing screening programs. We explored...
Show moreDiagnostic tests are performed for various reasons. Testing has both positive and negative effects on patient outcome. The main effects are indirect, mediated through treatment decisions and their impact on patient outcome. To base test decisions on expected net benefit, it is important to estimate or measure those effects in a structured manner. Positive and negative effects vary over the different stakeholders in test decisions: the healthcare provider, patient and society. While testing in a situation with low pre-test probability for a certain condition can be highly valued by patients, the associated costs of testing, with limited effect on patient outcome, diverts resources from societal areas with higher benefit.
In this thesis we quantified the benefit of testing across different aspects of value of diagnostic information using a pediatric example, and provided argumentation and guidance for structured evaluation of existing screening programs. We explored practice variation in pediatric testing and interviewed pediatricians to elucidate their considerations in test decisions. The general discussion provides guidance on how to increase the efficiency and thus quality of testing through both system-level interventions and interventions directed at individual providers and patients. We argue that limiting testing in diagnostic situations with a (very) low pre-test probability is equally important as a structured evaluation of test consequences for efficient use of public resources.
- All authors
- Ropers, F.G.
- Supervisor
- Rings, E.H.H.M.; Bossuyt, P.M.M.
- Committee
- Benthem, P.P.G. van; Stiggelbout, A.M.; Moll, H.A.; Repping, S.
- Qualification
- Doctor (dr.)
- Awarding Institution
- Faculty of Medicine, Leiden University Medical Center (LUMC) , Leiden University
- Date
- 2024-02-07
- ISBN (print)
- 9789493330474