general stuff Flashcards
what is a good positive likelihood ratio?
5 or higher
what is a moderate positive likelihood ratio
2-5
what is a good negative likelihood ratio?
.2 or below
what is a moderate negative likelihood ratio?
.2-.5
what is construct validity?
does the test measure what its supposed to measure
what is content validity?
does the test cover the full spectrum of what it is intend to measure (think algebra example)
what is face validity?
does the test appear to test what it is supposed to test
what is criterion validity?
how does the test stack up to a gold standard
what is external validity
is the degree to which the conclusions in your study would hold for other persons in other places and at other times.
what is the fat pad sign?
a radiograph finding in the elbow that indicates an intra articular finding
what is the terrible triad in the elbow?
coronoid fx, radial head hx, elbow dislocation
what is the terrible triad of the knee?
ACL, MCL, medial meniscus
what is considered 5/5 strength on heel raises?
20 heel raises
what is normal on the DTR scale
2+
what spinal segment is the quads reflex?
L2-L4