false-negative


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Related to false-negative: beta error

false-neg·a·tive

(fôls′nĕg′ə-tĭv)
adj.
Being or relating to a result from a medical test that is erroneously negative.
Translations

false-negative

a. falso-negativo, resultado que no muestra evidencia de la presencia de enfermedad aunque la enfermedad actualmente existe.
References in periodicals archive ?
1 illustrates the false-positive and false-negative rates for each of the 5 lots across 3 immunoassays on the lateral-flow device.
In 2005, the International Consensus Group for Hematology Review established guidelines composed of 41 rules for action after automated analysis of a blood sample that had false-negative and false-positive rates of 2.
There is a great need for a prostate cancer detection assay such as PCMT, which provides an extremely precise and painless way for urologists to eliminate false-negative biopsy results and detect the disease at the earliest possible stage.
Interferences: false-negative: False-negative problems occur with hCG tests in cases with levels of hCG above 500,000 mIU/mL demonstrating a hook effect.
The sensitivity of SLNB for node involvement ranges from 71 % to 100%, and the false-negative rate averages 8.
Patients with actively bleeding peptic ulcer disease were excluded, as this is a well-recognised cause of a false-negative urease test.
Such tests are not infallible, and could produce "misleading and false-negative results, thus giving individuals who are allergic to hair dye substances the false impression that they are not allergic", encouraging consumers to use an unsafe product.
False-positive results caused by contamination or cross-reactivity with a microorganism of low virulence can disrupt a public health system, adversely affect patient care, and increase costs (6-8); false-negative results may prompt clinicians to discontinue containment procedures and potentially risk transmitting a virulent microorganism.
and the Food and Drug Administration have issued a class I recall of the VITROS immunodiagnostic HBsAg confirmatory kit because of false-negative results in the confirmation of the presence of hepatitis B surface antigen in human blood and plasma.
They also can give false-negative results that convey a false sense of security.
Both the rapid test and enzyme immunoassay identified 34 women who were infected with HIV (for a prevalence of seven per 1,000); neither test yielded any false-negative results.