600 You are the epidemiologist for the state of lowa. The state health departmen
ID: 194724 • Letter: 6
Question
600 You are the epidemiologist for the state of lowa. The state health department has been contacted y the mayors of two towns, Upper Podunk and East Burlap. They are concerned because Upper Podunk has a much higher crude death rate (22/1000) than East Burlap (13/1000). Furthermore, there is great urgency because mayoral elections are soon to be held. 168 Upper Podunkians died in 2008, compared to 127 East Burlapniks. Because all of the state's vital statistics people (part-timers) are out harvesting corn, you are unable to obtain the actual ages of the 2008 decedents in the two communities. However, there are accurate counts of the two populations by age group You are asked to quickly resolve the issue of whether one city does, in fact, have higher mortality rates. And, of course, having completely this course, you are aware of the effect that age distributions can have on crude death rates. You realize that age-adjusted death rates are needed. 8. Which type of standardization will you use...direct or indirect? Why? 9. What standard would be an appropriate source for age-specific rates?Explanation / Answer
8) I will prefer indirect method of standardization. The age-specific rates are unavailable here, and the indirect method of standardisation is commonly used when age-specific rates are unavailable. The indirect method of standardisation requires the total number of cases only for the calculation.
9) The standard would be an appropriate source for age-specific rates here is the standardized mortality ratio (SMR), which is the ratio of the observed number of deaths to the expected number of deaths.
SMR= Observed number of deaths (O) / Expected number of deaths (E) X 100%
In addition, Adjusted mortality rates (AMR) can be calculated by the following formula:-
Adjusted mortality rates = Standardized mortality ratio X crude death rate
AMR = SMR X CDR (Standard).
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