practice Flashcards
this population is a service population of a medical facility and consists of the people who use the facility’s services
catchment pop
Also known as an open population, the membership is defined by a changeable state or condition and therefore transient
dynamic pop
A population whose membership is permanent
fixed population
In this population, the number of people entering a population is equal to the number of
people leaving
steady-state pop
prevalence
- proportion or true rate
- units
- range
- numerator
- denominator
- major use
proportion
none
0 to 1
existing case
total pop`
resource planning, determining disease status
CI
- proportion or true rate
- units
- range
- numerator
- denominator
- major use
proportion
none
0 to 1
new case
pop at risk
Research on causes, prevention, and treatment of disease
IR
- proportion or true rate
- units
- range
- numerator
- denominator
- major use
true rate
1/times or t^-1
0 - infinity
new cases
the population at risk in-person time
Research on causes, prevention, and treatment of disease
identify if P/CI/IR
Percentage of nursing home residents who contracted influenza during the course of an outbreak (January 1 – 20, 2022)
CI
identify if P/CI/IR
Percentage of potential army recruits rejected at intake exam because of poor vision
P
identify if P/CI/IR
Number of colds diagnosed in 1,000 person-years within an elementary schoo
IR
identify if P/CI/IR
Percent of live-born infants with a cardiac malformation among 100,000 live-births
p
T/F
only the population at risk contributes to the denominator of cumulative incidence
t
When calculating the incidence rate of disease, it is necessary to follow subjects for
the same amount of time.
F
