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Consider the following example of measuring effectiveness of a new drug. In 1 year, 30 persons per 1,000 die of asthma. A new drug reduces

Consider the following example of measuring effectiveness of a new drug. In 1 year, 30 persons per 1,000 die of asthma. A new drug reduces that number to 20 per 1,000. How is outcome defined, and what is the "effectiveness" of the drug

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