*Bla ordlisten:*

# number needed to screen

*— The number of people who would need to be screened over a specific period of time before one good outcome of the screening will occur*

#### Synonyms:

NNS, NNTS

#### Full forklaring:

The number needed to screen is an estimate of how many people need to be screened before one person would experience a good outcome.

#### eksempel:

For example, if a study found that for every 1000 participants allocated to screening for cancer there was one less death from that cancer over a period of ten years compared to every 1000 people allocated to not receive the screening test, the number needed to screen would be 1000, for ten years.

#### se også:

number needed to treat · screening

#### Still don't get it?

If you feel that this definition hasn't helped you to understand the term, click on our monkey to let us know.

← number needed to harm
number needed to treat →