QL, Python, or Excel to analyze the data. Assume that we want to compare two clinicians, Smith and Jones, who see different types of patients at different rates and different length of stay. The data for each clinician is provided

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Question 1: In the following question, use SQL, Python, or Excel to analyze the data. Assume that we want to compare two clinicians, Smith and Jones, who see different types of patients at different rates and different length of stay. The data for each clinician is provided in the two decision trees in Figure 1. Figure 1: Practice Patterns of Dr. Jones and Smith What is the expected length of stay for each of the clinicians? What is the expected length of stay for Dr. Smith if he were to take care of patients of Dr. Jones? What is the expected length of stay for Dr. Jones if he were to take of patients of Dr. Smith?

Strata
Previous MI
CHF
Shock
Clinician
Previous MI Rate
CHF Rate
Shock Rate
Probability
Length of Stay
1
1
1
 
Smith
0.25
0.15
1
0.0375
4.5
2
1
0
1
Smith
0.25
0.85
0.7
0.14875
5
3
1
0
0
Smith
0.25
0.85
0.3
0.06375
4
4
0
1
1
Smith
0.75
0.7
0.85
0.44625
3
5
0
1
0
Smith
0.75
0.7
0.15
0.07875
5
6
0
0
1
Smith
0.75
0.3
0.25
0.05625
3
7
0
0
0
Smith
0.75
0.3
0.75
0.16875
4
8
1
1
1
Jones
0.85
0.65
0.3
0.16575
7
9
1
1
0
Jones
0.85
0.65
0.7
0.38675
5
10
1
0
1
Jones
0.85
0.35
0.3
0.08925
4
11
1
0
0
Jones
0.85
0.35
0.7
0.20825
3
12
0
1
1
Jones
0.15
0.7
0.45
0.04725
4
13
0
1
0
Jones
0.15
0.7
0.55
0.05775
5
14
0
0
1
Jones
0.15
0.3
0.65
0.02925
3
15
0
0
0
Jones
0.15
0.3
0.35
0.01575
2
 
Previous
IIN
25
CHF
CHF
Dr. Smith's
Practice
Patterns
15
O
70
BP<90
70
BP-90
85
BP-90
25
0
O
0
0
4.5 days
5 days
4 days
3 days
4 days
2 days
4 days
Previous
MI
85
CHF
CHF
Dr. Jone's
Practice
Patterns.
BP<90
65
BP<90
,70
30
BP-90
45
BP<90
65
0
O
10
0
0
7 days
5 days
4 days
3 days
4 days
5 days
3 days
2 days
Transcribed Image Text:Previous IIN 25 CHF CHF Dr. Smith's Practice Patterns 15 O 70 BP<90 70 BP-90 85 BP-90 25 0 O 0 0 4.5 days 5 days 4 days 3 days 4 days 2 days 4 days Previous MI 85 CHF CHF Dr. Jone's Practice Patterns. BP<90 65 BP<90 ,70 30 BP-90 45 BP<90 65 0 O 10 0 0 7 days 5 days 4 days 3 days 4 days 5 days 3 days 2 days
Expert Solution
Step 1
Strata Previous MI CHF Shock Clinician Previous MI Rate CHF Rate Shock Rate Probability Length of Stay
1 1 1   Smith 0.25 0.15 1 0.0375 4.5
2 1 0 1 Smith 0.25 0.85 0.7 0.1488 5
3 1 0 0 Smith 0.25 0.85 0.3 0.0638 4
4 0 1 1 Smith 0.75 0.7 0.85 0.4463 3
5 0 1 0 Smith 0.75 0.7 0.15 0.0788 5
6 0 0 1 Smith 0.75 0.3 0.25 0.0563 3
7 0 0 0 Smith 0.75 0.3 0.75 0.1688 4
8 1 1 1 Jones 0.85 0.65 0.3 0.1658 7
9 1 1 0 Jones 0.85 0.65 0.7 0.3868 5
10 1 0 1 Jones 0.85 0.35 0.3 0.0893 4
11 1 0 0 Jones 0.85 0.35 0.7 0.2083 3
12 0 1 1 Jones 0.15 0.7 0.45 0.0473 4
13 0 1 0 Jones 0.15 0.7 0.55 0.0578 5
14 0 0 1 Jones 0.15 0.3 0.65 0.0293 3
15 0 0 0 Jones 0.15 0.3 0.35 0.0158 2
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