Examlex
A randomized study assigned patients with sickle cell anemia and silent stroke to either monthly transfusion therapy (transfusion group of 110 patients) or usual care (observation group of 105 patients) . An excerpt of the study results is provided below: Which of the following adverse event estimates is most subject to selection bias?
Corrective Tax
Levies imposed to address and ameliorate the negative externalities generated by certain economic activities, thereby realigning social and private costs.
Subsidy
A financial contribution granted by the government or a public body to support businesses, reduce the price of commodities, or encourage activities beneficial to the public interest.
Equilibrium Number
When market demand equals supply, leading to stability in prices.
Pollution Permits
Licenses that allow the holder to emit a specific amount of pollutants into the environment, used in regulatory strategies to reduce pollution.
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