Table 4.8 shows results of an eight-center clinical trial to compare a drug to placebo for curing an infection. At each center, subjects were randomly assigned to treatments. Analyze these data, available in the Infection data file at the text website. Using logistic regression, describe and make inference about the treatment effect.

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Table 4.8 shows results of an eight-center clinical trial to compare a drug to placebo for curing an infection. At each center, subjects were randomly assigned to treatments.

Analyze these data, available in the Infection data file at the text website. Using logistic regression, describe and make inference about the treatment effect.

Table 4.8 Clinical trial data for Exercise 4.14.
Response
Response
Center
Treatment
Success
Failure
Center
Treatment
Success
Failure
1
Drug
11
25
5
Drug
11
control
10
27
control
12
1
Drug
control
16
4
Drug
10
22
10
control
10
3
Drug
14
5
7
Drug
control
1
4
control
7
12
1
4
Drug
control
2
14
8
Drug
4
2
1
16
control
Source: P.J. Beitler and J.R. Landis, Biometrics, vol. 41, pp. 991–1000 (1985).
2.
Transcribed Image Text:Table 4.8 Clinical trial data for Exercise 4.14. Response Response Center Treatment Success Failure Center Treatment Success Failure 1 Drug 11 25 5 Drug 11 control 10 27 control 12 1 Drug control 16 4 Drug 10 22 10 control 10 3 Drug 14 5 7 Drug control 1 4 control 7 12 1 4 Drug control 2 14 8 Drug 4 2 1 16 control Source: P.J. Beitler and J.R. Landis, Biometrics, vol. 41, pp. 991–1000 (1985). 2.
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