Project #10354 - Mora

Refer to the following article and answer questions a-g below:

 

Crawford, D. A., Scully, W., McFadden, L., & Manoso, M. (2011). Preoperative Predictors of Length of Hospital Stay and Discharge Disposition   Following Primary Total Knee Arthroplasty at a Military Medical Center. Military Medicine, 176(3), 304-307. 

 

 

a) What was the purpose of this research study?

 

b) Refer to Table 1, Preoperative Risk Factors Relative to LOHS. Which preoperative risk factors are statistically significant?

 

c) Comment on the data distribution in Figure 1. What is the skew of this data? What can you infer from this data skew?

 

d) Refer to Table 3, Odds Ratio of Discharge to a SNF Based on Age and ASA Classification. Comment on what the odds ratios indicate for each of the four age groups.

 

e) Refer to the last sentence on page 304, "Unpaired t tests and analysis of variance were used to compare each variable or groups of varaibles to the dependent outcomes.

  1. Name one dependent outcome.

  2. Describe a result within the article that would have been determined using analysis of variance.

 

f) Name one limitation of this study.

 

 

g) Name one predominant strength of this study.

Subject Mathematics
Due By (Pacific Time) 08/04/2013 03:00 pm
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