M1: Rates, Ratios and Proportions Flashcards
Measures probability of occurrence of some particular event
Rate
2 Differences in the denominators of a rate are
- Crude
2. Specific
A denominator specifically for (total population)
Crude
What to remember when stating the Crude denominator in Rate
automatically use the mid-year population
Denominator for a (specified) group (age, sex, education, occupation, marital status, race, exposure)
Specific
specifies a period of time in which the event
occurs
Rate
Rate is similar to proportion in that the ________
Numerator is included in the denominator
An expression of the (relative frequency) of occurrence of an event compared to some other event; (may be a fraction) expressed in lowest terms
RATIO
Special kind of ratio wherein the (numerator is part of the denominator) and where (K is 100)
Proportion
2 Types of fertility Rates
- Crude Birth Rate
2. General Fertility Rate
measures how fast people are added to the population.
Crude Birth Rate
Is a more specific fertility rate equation
General Fertility Rate
4 Factors of Crude (Birth) Rate
(MARS)
- marriage patterns and practices
- age,
- sex
- registration.
8 types of Mortality rate
(3C’s SIMPS)
- Crude Death Rate
- Specific Death Rate
- Cause Specific Death Rate
- Infant Mortality Rate
- Maternal Mortality Rate
- Proportionate Mortality Rate
- Swaroop’s Index
- Case Fatality Rate
4 Types of Infant Mortality Rate
a. Neonatal Mortality Rate
b. Post-neonatal Mortality Rate
c. Perinatal Mortality Rate
d. Fetal Death Rate
Mortality rate that deals with death within 28 or more weeks of gestation to 7 days after birth
Perinatal Mortality Rate
Mortality rate that deals with (death of fetus) prior to
birth, regardless of gestational age
Fetal Death Rate
Mortality rate where mortality of (50 years and older) is indexed
Swaroop’s index
gives the rate with which (mortality occurs in a given population)
Crude Death Rate (CDR)
4 factors of Crude (Death) Rate (CDR)
(APOE)
- Age and Sex
- Environmental
- Occupation
- Peace and order
rates of dying in (specific) population groups
Specific Mortality Rate (SMR)
4 factors of Specific Mortality Rate (SMR)
- Age and Sex
- Occupation
- education
- Exposure
rate of (dying secondary) to specific causes.
Cause of Death Rate (CoDR)
factors of Cause of Death Rate (CoDR)
(1) crude rate
(2) completeness of registration
(3) population
(4) diagnosis.
index of the level of health in a community
Infant Mortality Rate (IMR)
5 Indications of High IMR
=low level of health standard =Poor maternal and child care =Malnutrition =Poor sanitation =Poor healthcare system
means under 28 days
Neonatal IMR (NMR)
Type of infant mortality rate that means 28 days to 365 days
Post-neonatal IMR
proportion of total deaths occurring in a particular population group (of from) a particular cause.
Maternal Mortality Rate (MMR)
proportion of total deaths occurring in a particular population group (or) from a particular cause.
Proportionate Mortality Ratio (PMR)
a (special PMR) that is also an (indicator of standards of health care)
Swaroop’s Index
The proportion of (cases) which end up (fatally)
Case Fatality Rate
(Time element) is based on the duration of the disease
Case Fatality Rate
measures the (frequency of illness within specific) population groups.
Morbidity Rates
3 TYPES OF MORBIDITY RATES
- prevalence rate
- Incidence rate
- Attack Rate
measures frequency of all
current (existing) cases of a disease.
Prevalence Rate
measures (frequency) of new cases.
Incidence Rate
incidence rate usually expressed in percent.
Attack Rate
Used for particular populations observed for
limited period of time as an epidemic
or
in epidemiology, the proportion of people who become ill with (or who die from) a disease in a population initially free of the disease.
Attack Rate
2 types of prevalence measures
- Point Prevalence
2. Period Prevalence
status of the disease in a
population at a point in time.
Point Prevalence
refers to calendar time, fixed point in the course of events (week, month, quarter). In other words, it is the number of existing (old and new)
cases of a disease at a point in time/ total population examined.
Point
(combination) of point prevalence and incidence
Period Prevalence
2 Types of Incidence measures
- Cumulative incidence
2. Incidence rate
proportion of people who become diseased during a specified period of time.
Cumulative Incidence /Attack Rate
Used for particular populations observed for
limited period of time as an epidemic
Cumulative Incidence /Attack Rate
4 scenarios to use cumulative attack
(FiNe PoT)
- New cases
- Fixed group
- Population at risk
- Time period specified
Sum of each individuals time at risk or sum of the time that each person remained under observation and free from disease
Incidence Rate
Estimate of the (average rate of disease occurrence) in a population.
or
the rate of new cases of a condition observed within a given period
Incidence Rate
have the continuous, permanent (compulsory recording) of the occurrence and characteristics of vital events.
Civil registries
Law that erected the Civil Registry
Civil Registry Law (Act No. 3753). November 26, 1930
This act mandates the (registration) of all facts and acts concerning the civil status of persons from birth to death, including the changes in civil status taking place therein in appropriate civil registry books
Civil registries
3 types of certificate of death
- Certificate of Death
- Certificate of Fetal Death
- Certificate of Dismembered Body Part