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Owner: deppek1
Created: Feb 20, 2011
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Views: 889
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Discussion of Tracheal Carina Resection
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This report will focus on the data below, which was collected via a StatCrunch survey about Tracheal Carina Resection for 134 patients.


The Histogram shown below shows the number of patients by age.  The distribution of patients by age appears to be skewed to the left, implying that the bulk of observations are clustered between 60 and 70 years of age.  The most frequent occurring tracheal carina resection occurs between ages 60 and 70 years.  Those aged less than 20 years of age and over 81 years of age appear to be the least likely to have tracheal carina resection. More of patients aged 20 years and under appear to require resection than those aged 81 and over.  There do not appear to be any atypical ages for tracheal carina resection.

Result 1: Histogram of age at surgery   [Info]
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 The Histogram shown below shows the distribution of patients by size of the resection.  The distribution appears to be skewed positively, to the right, implying that the bulk of resections are between 2cm and 3cm in size.  About 48 patients, 35.8%,  had resections of 2cm to 3cm in size.  The smallest resection size was 1cm to 2cm and the largest resection size was 6cm to 7cm.  The least number of patients required the largest of the resection size.  There does not seem to be any atypical resection size.

Result 2: Histogram of resection size   [Info]
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The pie charts that follow depict the variables of prior surgery, intubation, and death respectively. 

The first pie chart is one that show the comparison of those patients who had prior surgery and those patients who did not have prior surgery.  The chart suggest that the majority or 100 of the 134 patients had no prior surgery.  Thirty-four or 37% had prior surgery.

Result 3: Pie Chart for prior surgery   [Info]
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Result 4: Frequency Table of prior surgery   [Info]
Frequency table results for Prior Surgery:
Prior Surgery Frequency Relative Frequency
0 100 0.74626863
1 34 0.25373134

The next pie chart is one that depicts patients requiring intubation, compared with those patients not requiring intubation.  From the pie chart below, we see that there are 115 or 85.82% of the 134 patients that required no intubation.   About 19 patients or 14.18% required intubation.


Result 6: Frequency Table of intubated   [Info]
Frequency table results for Intubated:
Intubated Frequency Relative Frequency
0 115 0.85820895
1 19 0.14179105

Lastly, is a pie chart that depicts patient deaths, comparing the number who died and those who did not.  From the pie chart below, we see that about 87.13% of patients or 117 did not die after surgery.  Death did occur in 17 or 12.69% of patients with tracheal carina resection.

Result 7: Pie Chart death   [Info]
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Result 8: Frequency Table of death   [Info]
Frequency table results for Death:
Death Frequency Relative Frequency
0 117 0.8731343
1 17 0.12686567

Result 5: Pie Chart intubated   [Info]
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HTML link:
<A href="">Discussion of Tracheal Carina Resection </A>

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By buckleyb1
Jan 18, 2011

Great job, Kim (and I also appreciate your comment below!).
You did a very nice job creating this report and including all the results. The graphical displays that you chose to create were all appropriately chosen, and your summaries were all well-written. The inclusion of frequency tables for the various nominal variables was a nice addition -- you'll probably notice that these tables are commonly reported in research journals as opposed to graphical displays (I'm sure for space considerations).
Jan 15, 2011

Good job. I understood the summary and graphs
By deppek1
Jan 15, 2011

This was a growth promoting experience. I never stop learning.

Always Learning