A randomized trial is conducted to evaluate the efficacy of a new cholesterol lowering medication. The primary outcome is incident coronary artery disease. Participants are free of coronary artery disease at the start of the study and randomized to receive either the new medication or placebo. Participants are followed for a maximum of 10 years for the development of coronary artery disease. Number of coronary artery disease Total Follow-Up (person-years) Medication 28 3451 Placebo 42 2984 Compute the incidence rate (per person-year) of coronary artery disease in patients receiving the medication
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
A randomized trial is conducted to evaluate the efficacy of a new cholesterol lowering medication. The primary outcome is incident coronary artery disease. Participants are free of coronary artery disease at the start of the study and randomized to receive either the new medication or placebo. Participants are followed for a maximum of 10 years for the development of coronary artery disease.
| Number of coronary artery disease | Total Follow-Up (person-years) | |
| Medication | 28 | 3451 |
| Placebo | 42 | 2984 |
Compute the incidence rate (per person-year) of coronary artery disease in patients receiving the medication.
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