02 Epidemiology (Frequently Used Measures of Mortality and Morbidity) Flashcards
Total number of deaths during a given
time interval
over
Mid interval population
Crude death rate
Number of deaths assigned to a specific
cause during a given time interval
over
Mid-interval population
Cause-specific death rate
Number of deaths assigned to a specific
cause during a given time interval
over
Total number of deaths from
all causes during the same
time interval
Proportionate mortality
Number of deaths assigned to a specific
cause during a given time interval
over
Number of new cases of same
disease reported during the
same time interval
Death-to-case ratio
Number of deaths among children
< 28 days of age during a given time
interval
over
Number of live births during
the same time interval
Neonatal mortality rate
Number of deaths among children
< 1 year of age during a given time
interval
over
Number of deaths among children
< 1 year of age during a given time
interval
Infant mortality rate
Number of new cases of disease
during specified time interval
over
Population at start of time interval
Incidence proportion (or attack rate or risk)
Number of new cases among
contacts
over
Total number of contacts
Secondary attack rate
Number of new cases of disease
during specified time interval
over
Summed person-years of
observation or average population
during time interval
Incidence rate (or person-time rate)
Number of current cases (new and
preexisting) at a specified point in
time
over
Population at the same specified
point in time
Point prevalence
Number of current cases (new and
preexisting) over a specified period
of time
over
Average or mid-interval population
Period prevalence
