Measures of morbidity and mortality Unlike change rates these measures are proportions 3 types of rate are commonly mentioned crude, specific, adjusted (or standardized) Crude rates are computed for an entire large group or population; they disregard factors such as age gender and race Adjusted or standardized rates are used to make valid summary comparisons between 2 or more groups possessing different age distributionsMeasures of Morbidity and Mortality 3 types of rate are commonly mentioned: crude, specific, & adjusted (or standardized) Unlike change rates, these measures are proportions. Crude rates are computed for an entire large group or population; they disregard factors such as age, gender, and race. Adjusted or standardized rates are used to make valid summary comparisons between 2 or more groups possessing different age distributions. 9