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Propensity scores are used mainly in observational studies assessing treatments as a way of balancing out measured variations in who received a treatment and who didn't.
In most observational studies, there are things which will have pushed the doc into prescribing the medicine in question, or the surgeon to take the knife to that patient and not the other one. These factors (baseline characteristics, …
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Provenance and peer review Commissioned; internally peer reviewed.
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