Examples of using False negative in English and their translations into Vietnamese
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So that's called a false negative.
False negative on the P.C.R. AIDS test?
This may be necessary for a suspected"false negative" result.
False negative(FN): number of positive instances incorrectly assigned as negative. .
Levels of hCG are very low in the beginning of a pregnancy,causing some HPTs to give a false negative result.
False negative results can be obtained by using a glucose oxidase method for determining glucosuria.
The likely result is 99 true positives,1 false negative, 1881 true negatives and 19 false positives.
When urine contains high concentrations of vitamin C and nitrite,inhibition of azo reaction makes urinary bilirubin a false negative.
A false negative result may occur in a person who has been recently infected with TB, but whose immune system hasn't yet reacted to the bacteria.
But, if the test was done too early in the pregnancy, before your body has produced enough hCG,you can get a false negative result.
False Negative= Persons who are actually suffering from the disease(or unhealthy) are actually predicted to be not suffering from the disease(healthy).
Last February there was an organized effort bydisgruntled fans to attack Black Panther with false negative reviews.
It is possible to receive false negative results, meaning that the test indicates no abnormality, even though you do have abnormal cells.
From all the numbers c, with this property, we choose the smallest,in order to minimize the probability of a Type II error, a false negative.
Testing too earlyis likely to yield what experts call a false negative result where the test says you are not pregnant but actually you are.
The necessity of training the system for changing behavior makes a systemimmune to anomalies detected during the training phase(false negative).
Because of these delays and possible false negative results, treatment is typically done on suspicion alone, without a laboratory diagnosis of RMSF.
Screening interventions are not designed to be diagnostic,and often have significant rates of both false positive and false negative results.
When taken earlier, it is possible to get a false negative result because Hcg may not be present in high enough quantities for a standard test to detect at that time.
Or they may falsely report a pregnancy as negative for a fetaltrisomy when it is in fact positive(a false negative).
The previous tuberculin derivative, Koch's substance,had produced false negative results in tuberculosis tests since the 1890s because of impurities in the material.
The action of copper ions in the process produces a false positive, but it can reduce the coloration of H2O2 produced by thedry chemical test strip to make it a false negative.
Ascorbic acid(more than 50 mg/dl) and ketone bodies(more than 40 mg/dl)may cause a false negative result for a specimen containing a small amount of glucose(100 mg/dl).
Because the AGA tests often produce false negative results- that is, they indicate the antibody is not present, but, actually, the antibody is present- people who don't test positive for AGA still might find a gluten-free diet worth trying.
Both false positive tests(findingtoxins when there is no C. difficile) and false negative tests(not finding toxins when C. difficile is present) can occur.
When using this test, one should remember that it can give a false positive result in the presence of microorganisms similar to gonococcus,as well as a false negative if gonococci are too small.
Drinking too much fluid before taking the home pregnancy test can dilute urine andmay lead to false negative results, especially when the test is performed early on.
But be aware that the combination of very early pregnancy anddiluted urine can give a false negative result and you might need to repeat the test if the result is negative. .
Complications include the possibility of bleeding, missing the site of the suspect tissue,which can lead to a false negative result, and not collecting enough material, so that the biopsy needs repeating.