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Use a ratio to compare the case fatality rates of men (in the numerator) to women (in the denominator).  The ratio of the case fatality rate in men to women is .

The case fatality rate from influenza among women is %.  Express this as a percentage.

Justify the answer that you provided above (i.e., what type of study design does this represent?)

Calculate the appropriate measure of association for this study. 

Fill in the table below to calculate the prevalence of osteoporosis in each group and in the total sample at the beginning of the study.  Be sure to fill in all relevant cells.  Express prevalence as a percentage, keeping two digits after the decimal point.   Cases Population Prevalence >2 glasses of milk per day %

Fill in the table below to calculate the incidence of osteoporosis in each group and in the total sample over the next five years. Be sure to fill in all relevant cells. Express incidence as a percentage, keeping two digits after the decimal point. Cases Population Incidence >2 glasses of milk per day %

The proportionate mortality rate due to influenza is %.  Be sure to express this as a percentage.

Researchers plan to conduct a study on the prognosis of individuals who are diagnosed with congestive heart failure.  If they estimate what proportion of these individuals die, they are looking at:

Interpret in words the measure of association that you calculated in question 39. 

Name structure labeled 1.