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What is Standarised moality rate is standardised for and explain in detail?
.rates are only comparable if the populations upon which they are based are comparable.age adjustment or"age standardisation removes the confounding effect of different age structures and yields a single standardized or adjusted rate by which the moality experience can be compared directly.the adjustment can also be made for sex,race,parity etc. ref:park&;s textbook,ed 22,pg no 56