Question

What is the formula for the incidence of disease in the nonexposed group from the cohort fourfold table? \( (A+B) /(C+D) \) \( C /(C+D) \) \( A /(A+B) \) \( (\mathrm{C}-\mathrm{D}) / \mathrm{C} \)

Answer 1

The formula for the incidence of disease in the nonexposed group from the cohort fourfold table is C / (C + D). It represents the number of disease cases in the nonexposed group divided by the total number of individuals in the nonexposed group.

Step-by-step explanation:

The formula for calculating the incidence of disease in the nonexposed group from the cohort fourfold table is:

(C / (C + D))

This formula represents the number of disease cases in the nonexposed group divided by the total number of individuals in the nonexposed group. It gives the incidence rate of the disease in the nonexposed group.