Practice 2 – Experimental study
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A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are randomly assigned to receive the new treatment or a placebo and the outcome in pain relief within 30 minutes. The data are shown below:
Pain relief No pain relief
New Medication 44 76
Placebo 21 99
Is there a significant difference in the proportions of patients reporting pain relief?
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A clinical trial is being conducted to compare a new arthritis pain reliever to a placebo. Participants are randomly assigned to either the new treatment or a placebo, with pain relief occurring within 30 minutes. The following information is provided:
There is no pain relief available.
44 76 New Medicine
21.99 Placebo
Is there a statistically significant difference in the proportions of patients who report pain relief?