Question: 4. A randomized control trial was conducted for a new drug that was developed to reduce the one-year likelihood of stroke in patients with atrial

4. A randomized control trial was conducted for a new drug that was developed to reduce the one-year likelihood of stroke in patients with atrial fibrillation (AF). The table below summarizes the results. Estimate the treatment effect of the drug. Received the drug Received a placebo Total Had a Stroke over the year 18 44 61 Didn't have a Stroke over the year 1200 1193 2393 Total 1218 1236

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