A clinical trial is conducted comparing a new pain medication for arthritis.
A clinical trial is conducted comparing a new pain medication for arthritis. Participants are randomly assigned to receive the new medication or a placebo. The outcome is pain relief within 30 minutes. The data are shown below.
| Pain Relief | No Pain Relief | |
| New Medication | 44 | 76 |
| Placebo | 21 | 99 |
Estimate the risk difference in pain relief between treatments
| = | .366-.175=.175 |
Estimate the relative risk in pain relief between treatments
| = | 2.09 |
Estimate the odds ratio in pain relief between treatments
| = | 2.73 |
The upper and lower limits of the are shown below
Lower Limit of CI: ____0.41____
Upper Limit of CI: ___1.61_____
Based on the Confidence Interval values which of the following are true?
A. One can be 95% confident that the true value will be greater than the upper limit.
B. One can be 95% confident that the true value will be greater than the lower limit.
C. One can be 95% confident that the true value will between the upper and lower limit.
D. a and b
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