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. Is there effect modification by severity of asthma?

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  1. 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.
  2. 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.
  3. Is there effect modification by severity of asthma? 
+
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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