A clinical trial is conducted to compare an experimental medication to placebo to reduce the symptoms of asthma. Two hundred participants are enrolled in the study and randomized to receive either the experimental medication or placebo. The primary outcome is a self-reported reduction of symptoms. Among 100 participants who receive the experimental medication, 38 report a reduction of symptoms as compared to 21 participants of 100 assigned to the placebo. a. Generate a 95% CI for the difference in proportions of participants reporting a reduction of symptoms between the experimental and placebo groups. TABLE 6.25 Wound Healing by Treatment Treatment New compound In = 125) Placebo (n=125) None 4 12 Number of Patients with Percent Reduction in Size of Wound 26-50% 51-75% 37 32 45 34 1-25% 11 24 Description 76-100% 41 10

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A clinical trial is conducted to compare an experimental
medication to placebo to reduce the symptoms of asthma.
Two hundred participants are enrolled in the study and
randomized to receive either the experimental medication or
placebo. The primary outcome is a self-reported reduction of
symptoms. Among 100 participants who receive the
experimental medication, 38 report a reduction of symptoms
as compared to 21 participants of 100 assigned to the
placebo.
a. Generate a 95% CI for the difference in proportions of
participants reporting a reduction of symptoms between
the experimental and placebo groups.
Transcribed Image Text:A clinical trial is conducted to compare an experimental medication to placebo to reduce the symptoms of asthma. Two hundred participants are enrolled in the study and randomized to receive either the experimental medication or placebo. The primary outcome is a self-reported reduction of symptoms. Among 100 participants who receive the experimental medication, 38 report a reduction of symptoms as compared to 21 participants of 100 assigned to the placebo. a. Generate a 95% CI for the difference in proportions of participants reporting a reduction of symptoms between the experimental and placebo groups.
TABLE 6.25 Wound Healing by Treatment
Treatment
New compound In = 125)
Placebo (n=125)
None
4
12
Number of Patients with Percent Reduction in Size of Wound
26-50%
51-75%
37
32
45
34
1-25%
11
24
Description
76-100%
41
10
Transcribed Image Text:TABLE 6.25 Wound Healing by Treatment Treatment New compound In = 125) Placebo (n=125) None 4 12 Number of Patients with Percent Reduction in Size of Wound 26-50% 51-75% 37 32 45 34 1-25% 11 24 Description 76-100% 41 10
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