week2 Flashcards
What are characteristics
of an ideal nutrition assessment method?
- Adequacy to reflect what is intended to measure
- Reproducibility
Degree to which repeated
measurements of a variable give the same value
true positive is 100% senstivity
what is analytical sensitivity
Minimum detection limit or ability of an analytical method to detect the smallest amount of the substance of interest
what is Specificity
Ability of an index or indicator to correctly identify or classify individuals as having a characteristic
why fo we do NS
to detect risk, screen first and then apply assessment
1. many patients in health care settings are at risk for malnutrition
2. Complications of malnutrition: increased morbidity and mortality; increased cost of health care
3. timely screening can frequently improve outcomes
4. NS allows to identify nutritional risk and the need for nutritional intervention
5. is requird by law in health care institutions
6. documents the value of nutritional care and it;’s outcomes
what should a effective nutrition screening tool be like
criteria used in NS
difference between screen and assessment
screen first, then decide if they need a full assessment; screen is first step of assessment
examples of NS
SGA(Gold standard)
MST
MUST
CNST
longest screen tool
SGA
hardest deceted SGA
SGA B
what is PG SGA
patient generated SGA
Most important thing you should notice
Involuntary weight loss/gain
when to rescreen?