The RF test must be interpreted in conjunction with a person's symptoms and clinical history. In those with symptoms and clinical signs of rheumatoid arthritis, the presence of significant concentrations of RF indicates that it is likely that they have RA.Higher levels of RF generally correlate with more severe disease and a poorer prognosis. A negative RF test does not rule out RA.About 20% of people with RA will have very low levels of or no detectable RF. In these cases, a CCP antibody test may be positive and used to confirm RA.he RF test must be interpreted in conjunction with a person's symptoms and clinical history. In those with symptoms and clinical signs of rheumatoid arthritis, the presence of significant concentrations of RF indicates that it is likely that they have RA.
The definition of bout means a fight or competition. An example of a bout is a boxing match. Bout is defined as a period of time where you have to deal with something. An example of a bout is a week of having a stomach flu.
SYNONYMY NOTE: conflict refers to a sharp disagreement or collision as in interests or ideas and emphasizes the process rather than the end [the conflict over slavery]; fight, a rather general word for any contest, struggle, or quarrel, stresses physical or hand-to-hand combat; , struggle implies great effort or violent exertion, physical or otherwise [the struggle for existence]; contention most frequently applies to heated verbal strife, or dispute [religious contention broke out]; contest ...