Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
- Calculate the risk ratio for each table below. Interpret the risk ratios and indicate which drug is associated with high mortality for the three tables.
- Calculate RRs to show the relationship between drug use and severity of asthma by creating a 2X2 table from the three tables below. Interpret the OR/RR estimate.
- Calculate RRs to show the relationship between severity of asthma and death by creating another 2X2 table from the tables below. Interpret the RR estimate.
- Determine whether there is confounding by severity of asthma in the relationship between drug use and asthma deaths. Use your responses in a, b and c above to answer this question.
- Draw a pictorial representation of cofounding using the three variables in this particular example.
- Is there effect modification by severity of asthma?
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All patients
Drug
Severe asthma
Drug
Mild asthma
Drug
A
B
+
202
8
+
A 200
B
4
A
B
+2+
4
Death
Death
Death
898
102
800
6
98
96"
Transcribed Image Text:+
All patients
Drug
Severe asthma
Drug
Mild asthma
Drug
A
B
+
202
8
+
A 200
B
4
A
B
+2+
4
Death
Death
Death
898
102
800
6
98
96
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