Which one of the following is a good index of the serverity of an acute disease: (A) Cause specific death rate, (B) Case fatality rate, (C) Standardized moality ratio, (D) Five year survival
Answer is B. ref: Park&;s 23rd edition pg 58 Case fatality rate measures the killing power of a disease, for acute infectious diseases like food poisoning, cholera, measles. it is simply the ratio (it is not a RATE) of deaths to cases.