1. A clinical tri randomly assigned to receive the new medication or a placebo.
ID: 3272677 • Letter: 1
Question
1. A clinical tri randomly assigned to receive the new medication or a placebo. The outcome is pain relief within 30 minutes. The data are shown below. al is conducted comparing a new pain medication for arthritis. Participants are Pain ReliefNo Pain Relief 76 New Medication Placebo 21 Estimate the risk difference in pain relief between treatments RD Estimate the relative risk in pain relief between treatments Estimate the odds ratio in pain relief between treatments The upper and lower limits of the OR are shown below Lower Limit of CI Upper Limit of CI 161 0.41 Based on the Confidence Interval values which of the following are true? A. B. One can be 95% confident that the true value will be greater than the upper limit. One can be 95% confident that the true value will be greater than the lower limit Page 1 of 3Explanation / Answer
a) RD = 44/120 - 21/120 = .366-.175 = 0.192
b) RR = 2.09
c) OR = 2.73
d) D option
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