A new medication has been developed to treat rheumatoid arthritis.
A new medication has been developed to treat rheumatoid arthritis. A study investigating the medication’s efficacy has recruited 900 patients with rheumatoid arthritis; 400 patients obtained the new medication, and 500 patients received a placebo. Of these patients, improvement was noted in 100 patients who had taken the new medication and 50 who received the placebo.
What is the number needed to treat for this medication?
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