4-1 Discussion: Choosing Hypotheses
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Stating the null and alternative hypotheses correctly is crucial to using data to answer research questions. Stating it in words and using statistical notation is also vital to make sure everyone is clear on what needs to be tested in order to answer the research question. But is there only one correct way to state in words the null and alternative hypotheses to address the health question you are studying?
For your initial post state in words the null and alternative hypotheses for your chosen health question. Then present both hypotheses again using statistical notation. Next, discuss if there is another way that you can word your hypotheses and maintain the same meaning as your original wording, and present this alternative wording.
CHOSEN HEALTH QUESTION
Does Age Affect the Survival (Follow-up Status) of MI Patients?
The question asks if age has an impact on the survival chances of MI patients. MI stands for Myocardial Infarction which is commonly referred to as heart attack (Institute of Medicine, 2010). When people grow older, their body organs become weaker, and their functionality drops. This implies that an older patient’s heart is not as strong as a young person’s and in case of a heart attack, the mortality rate for older people is higher. The long-term survival of patients aged 65 and above with acute myocardial infarction is 65% (Kappagoda & Greenwood, 2012). Age affects the survival of MI patients. Younger patients have greater survival rates than older ones. The younger population is generally healthier and stronger; therefore, they have better chances. Their immunity is also higher and this generally boosts their health (Morrow, 2016). On the contrary, the older population is weaker and has minimal chances of surviving a heart attack.
References
Institute of Medicine (2010). Cardiovascular disability: Updating the social security listings. The National Academies Press.
Kappagoda, C. & Greenwood, P. (2012). Long-term management of patients after myocardial infarction. Springer.
Morrow, D. (2016). Myocardial infarction: A companion to Braunwald’s heart disease. Elsevier Health Sciences.
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