Class 2.ppt

Chapter 3 Epidemiology Class 2 * Chapter 3 Measuring the Occurrence of Disease Morbidity All you care to know about morbidity and mortality and the importance of rates, ratios, and proportions in measuring these. Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Morbidity and Mortality - What are they? Morbidity - looks at the extent of illness, injury, or disability in a defined population Mortality - means death as an endpoint Both are measures useful to help determine the extent of disease in the community (second goal of epidemiology). Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Key formulas for assessing morbidity Incidence Cumulative incidence Incidence density Prevalence Point prevalence Period prevalence Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * Epidemiology Class 2 Chapter 3 Epidemiology Class 2 * The relationship between incidence and prevalence Prevalence depends on the rate of inflow (incidence) and outflow (death or cure). Figs. 3-11 - 3-14, text, p. 45. Epidemiology Class 2