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Many children from a particular community coming to a hospital were detected to have acute lymphoblastic leukemia (ALL). It was assumed that it is due to the presence of cytotoxic waste in the water of that community. If a case-control study has to be done to find whether the chemical and ALL are associated, what will be taken as the control?
Many children from a particular community coming to a hospital were detected to have acute lymphoblastic leukemia (ALL). It was assumed that it is due to the presence of cytotoxic waste in the water of that community. If a case-control study has to be done to find whether the chemical and ALL are associated, what will be taken as the control?
Updated On: Aug 20, 2024
- Children from the area exposed, but unaffected with the disease
- Children from the area not exposed and affected with the disease
- Children coming to your OPD, who do not have the disease
- All children with ALL irrespective of exposure status
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The Correct Option is D
Solution and Explanation
The correct option is (D) : All children with ALL irrespective of exposure status
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