In a two-by-two table, which cell corresponds to Exposed and Disease?

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Multiple Choice

In a two-by-two table, which cell corresponds to Exposed and Disease?

Explanation:
In a two-by-two table, one axis shows exposure status (exposed vs not exposed) and the other shows disease status (disease vs no disease). The cell that represents people who are both exposed and have the disease is the intersection where Exposed and Disease meet. That’s why this cell is described as Exposed+Disease—the group that has both attributes. This cell is the key for understanding how exposure relates to disease and for calculating measures like incidence in the exposed group or the odds ratio. The other cells correspond to exposed without disease, not exposed with disease, and not exposed without disease.

In a two-by-two table, one axis shows exposure status (exposed vs not exposed) and the other shows disease status (disease vs no disease). The cell that represents people who are both exposed and have the disease is the intersection where Exposed and Disease meet. That’s why this cell is described as Exposed+Disease—the group that has both attributes. This cell is the key for understanding how exposure relates to disease and for calculating measures like incidence in the exposed group or the odds ratio. The other cells correspond to exposed without disease, not exposed with disease, and not exposed without disease.

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