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Time dependent hazard ratio estimation using instrumental variables without conditioning on an omitted covariate
BACKGROUND: Estimation that employs instrumental variables (IV) can reduce or eliminate bias due to confounding. In observational studies, instruments result from natural experiments such as the effect of clinician preference or geographic distance on treatment selection. In randomized studies the r...
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| Foilsithe in: | BMC Med Res Methodol |
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| Main Authors: | , , |
| Formáid: | Artigo |
| Teanga: | Inglês |
| Foilsithe: |
BioMed Central
2021
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| Ábhair: | |
| Rochtain Ar Líne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7981853/ https://ncbi.nlm.nih.gov/pubmed/33743583 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-021-01245-6 |
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