Should GNMH alert other patients and/or the public about the mysterious infections? Why or why not? What information and with whom should they communicate now?
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- This is an Epidemiology problem. Cataracts of the eye may be difficult to diagnose in the early stages. In a study to evaluate the reliability of their diagnoses, two physicians each examined the same 1,000 eyes, without knowing the other’s diagnoses. Each physician found 100 eyes with cataracts. Does this mean that the diagnoses are reliable? Explain your position.A researcher concluded that a patient was in the risk group of developing a rare disease based on the blood analysis results, but in fact, the patient was not. What type of error did the researcher make? Explain.Predict whether they are cause-effect, accidental, or common-cause. Explain your conclusion and, if they are cause-effect, explain which causes the other and why. "People who drink more coffee in the morning are more likely to have insomnia (the inability to sleep) at night."
- were you able to answer D & E?Relative risk is an ideal form of measurement for a retrospective cohort study design because it allows researchers to recruit both individuals with the outcome of interest and individuals without the outcome of interest, then match individuals from each of the respective groups to individuals of the other group to determine if a specific exposure caused the outcome of interest. true or false Bartleby answer differs from class answer.AIDS is caused by HIV. Discuss how such claim was established using the descriptive and analytic epidemiology.
- Starting with work life what is a description of scenarios where hypothesis testing may be beneficial.The authors state, “Our study has certain limitations. First, due to the cross-sectional nature of our study, causality cannot be inferred.” Explain what this statement means and why it is an issue.Would an observational study or an experiment be more appropriate for a medical research team that is trying to figure out if a new medicine is effective in treating migraines? Justify your response.
- Anecdotal evidence suggests that anxiety disorder may contribute to the irritable bowel syndrome (IBS), a condition characterized by nausea, alternating constipation and diarrhea, and no identifiable gastrointestinal pathology. Researchers administer an online questionnaire regarding IBS symptoms to 10,000 people who have an established diagnosis of anxiety disorder in the United States, Canada, and Mexico. They administer the same questionnaire to another 10,000 people from the same countries who do not have a diagnosis of anxiety disorder. Their findings are tabulated below.It is known that 86% of persons with insomnia also have reported a problem with fatigue. Dr. Delgado's patient Bob reports no problem with fatigue. Based on this information should Dr. Delgado decide that Bob has insomnia? Explain the answer.“The US Centers for Disease Control and Prevention said about 72 million Americans—nearly one out of every four of the country’s 304 million residents—are considered obese. Millions more are designated as overweight.” The American trend toward obesity has prompted many physicians to offer weight-loss programs to their patients. [Source: Price, W. T. “Physicians Get into the Weight-Loss Business.” Florida Today, July 7, 2008.] A physician conducted an experimental study to compare the effectiveness of four different weight-loss programs. In the study, 64 obese adults were randomly assigned to the four programs so that each program had 16 adults. The programs lasted for six months. The weights of the subjects were measured before and after the programs, and each subject’s weight loss was computed in pounds. The following table summarizes the results of the study, giving the number of observations and the sample mean and variance of the subjects’ weight loss in each program.…