screening Flashcards
screening tests
- less expensive / accurate
- healthy ppl
- groups
- not a basis for tx
diagnostic test
- more “
- indications of. disease people
- individual
- basis “
types of screening tests
- physical exam and history
- lab test
- imaging
- genetic test
risk factors for breast cancer
- fam history
- radiation expo
- breast density
- ethnicity
- menstrual periods
mammogram every …
2 years
sensitivity level of mammogram
70-80%
risk factors for cervical cancer pt1
- HIV
- smoking
- greater no. of sexual partners
- younger age for first time having sex
risk factors for cervical cancer pt 2
- oral contraceptions for more than 5 years
- 4 or more pregnancies
screening process pt 1
RECRUITMENT- targeted pop. encouraged to participate
SCREENING- ‘’ ‘’ who are partcipate
ASSESSMENT- screened pop need 4 futher assessment
screening process pt 2
DIAGNOSIS - assessed particpants diagnosed w diease / condition
OUTCOME- reduced morality and morbidity from disease
types of screening
population based - offered to everyone in defined target group
Opportunistic- patients who consult a
health practitioner for some other purpose
Screening Test – Validity
test ability to identify
diseased vs non-diseased individuals
Validity has two components :
sensitivity
specificity
sensitivity
tests ability to identify correctly
all those who have the disease. (true +)
specificity
’’ ‘’ dont have disease (true -)
